VSV Situation Report 12/5/2023 Briefing
Since the last situation report (11/28/2023), there have been 3 new VSV-affected premises identified (1 confirmed positive, 2 suspect) in California. All confirmed cases to date have been vesicular stomatitis New Jersey virus (VSNJV) serotype. Updates are as follows:
California
Since the start of the outbreak (5/17/2023), 310 VSV-affected premises have been identified (91 confirmed positive, 219 suspect) in 3 states, California, Nevada, and Texas. Three hundred (300) of these premises have had only equine species clinically affected, seven (7) premises had only clinically affected cattle (Fresno County, San Diego County, and Santa Barbara County, California), two (2) premises had both equine and cattle clinically affected (Fresno County and Mariposa County, California), and one (1) premises had clinically affected rhinoceros (San Diego County, California).
California has identified 307 affected premises (88 confirmed positive, 219 suspect) in 16 counties (Fresno, Inyo, Kings, Los Angeles, Madera, Mariposa, Merced, Orange, Riverside, San Bernardino, San Diego, San Luis Obispo, Santa Barbara, Tulare, Tuolumne, and Ventura Counties). Texas identified 2 affected premises (2 confirmed positive) in 2 counties (Maverick and Shackelford Counties). Nevada identified 1 affected premises (1 confirmed positive) in 1 county (White Pine County, Nevada).
Of the 310 total VSV-affected premises, 297 premises have completed the quarantine period with no new clinical cases and have been released from quarantine. Thirteen (13) premises remain quarantined in California.
Additional information and maps are accessible at the following link: https://www.aphis.usda.gov/aphis/ourfocus/animalhealth/animal-disease-information/equine/vsv/vesicular-stomatitis
VSV Situation Report 11/28/2023 Briefing
Since the last situation report (11/16/2023), there have been 9 new VSV-affected premises identified (3 confirmed positive, 6 suspect) in California, including a new affected county, Merced County. All confirmed cases to date have been vesicular stomatitis New Jersey virus (VSNJV) serotype. Updates are as follows:
Since the start of the outbreak (5/17/2023), 307 VSV-affected premises have been identified (90 confirmed positive, 217 suspect) in 3 states, California, Nevada, and Texas. Two hundred ninety-seven (297) of these premises have had only equine species clinically affected, seven (7) premises had only clinically affected cattle (Fresno County, San Diego County, and Santa Barbara County, California), two (2) premises had both equine and cattle clinically affected (Fresno County and Mariposa County, California), and one (1) premises had clinically affected rhinoceros (San Diego County, California).
California has identified 304 affected premises (87 confirmed positive, 217 suspect) in 16 counties (Fresno, Inyo, Kings, Los Angeles, Madera, Mariposa, Merced, Orange, Riverside, San Bernardino, San Diego, San Luis Obispo, Santa Barbara, Tulare, Tuolumne, and Ventura Counties). Texas identified 2 affected premises (2 confirmed positive) in 2 counties (Maverick and Shackelford Counties). Nevada identified 1 affected premises (1 confirmed positive) in 1 county (White Pine County, Nevada).
Of the 307 total VSV-affected premises, 275 premises have completed the quarantine period with no new clinical cases and have been released from quarantine. Thirty-two (32) premises remain quarantined in California.
VSV Situation Report 11/16/2023 Briefing
Since the last situation report (11/14/2023), there have been 8 new VSV-affected premises identified (1 confirmed positive, 7 suspect) in California, including a new affected county, Kings County. All confirmed cases to date have been vesicular stomatitis New Jersey virus (VSNJV) serotype. Updates are as follows:
· Fresno County – 1 new suspect equine premises
· Kings County (New Infected County) – 1 confirmed positive equine premises
· Madera County – 3 new suspect equine premises
· Mariposa County – 1 new suspect equine premises
· Tuolumne County – 2 new suspect equine premises
· Counties with current VSV quarantines: Fresno, Inyo, Kings, Madera, Mariposa, Tuolumne Counties
Since the start of the outbreak (5/17/2023), 298 VSV-affected premises have been identified (87 confirmed positive, 211 suspect) in 3 states, California, Nevada, and Texas. Two hundred ninety (290) of these premises have had only equine species clinically affected, six (6) premises had only clinically affected cattle (Fresno County, San Diego County, and Santa Barbara County, California), one (1) premises had both equine and cattle clinically affected (Fresno County, California), and one (1) premises had clinically affected rhinoceros (San Diego County, California).
California has identified 295 affected premises (84 confirmed positive, 211 suspect) in 15 counties (Fresno, Inyo, Kings, Los Angeles, Madera, Mariposa, Orange, Riverside, San Bernardino, San Diego, San Luis Obispo, Santa Barbara, Tulare, Tuolumne, and Ventura Counties). Texas identified 2 affected premises (2 confirmed positive) in 2 counties (Maverick and Shackelford Counties). Nevada identified 1 affected premises (1 confirmed positive) in 1 county (White Pine County, Nevada).
Of the 298 total VSV-affected premises, 243 premises have completed the quarantine period with no new clinical cases and have been released from quarantine. Fifty-five (55) premises remain quarantined in California.
VSV Situation Report 11/14/2023 Briefing
Since the last situation report (11/9/2023), there have been 5 new VSV-affected premises identified (2 confirmed positive, 3 suspect) in California, including a new affected county, Tuolumne County. All confirmed cases to date have been vesicular stomatitis New Jersey virus (VSNJV) serotype. Updates are as follows:
Since the start of the outbreak (5/17/2023), 290 VSV-affected premises have been identified (86 confirmed positive, 204 suspect) in 3 states, California, Nevada, and Texas. Two hundred eighty-two (282) of these premises have had only equine species clinically affected, six (6) premises had only clinically affected cattle (Fresno County, San Diego County, and Santa Barbara County, California), one (1) premises had both equine and cattle clinically affected (Fresno County, California), and one (1) premises had clinically affected rhinoceros (San Diego County, California).
California has identified 287 affected premises (83 confirmed positive, 204 suspect) in 14 counties (Fresno, Inyo, Los Angeles, Madera, Mariposa, Orange, Riverside, San Bernardino, San Diego, San Luis Obispo, Santa Barbara, Tulare, Tuolumne, and Ventura Counties). Texas identified 2 affected premises (2 confirmed positive) in 2 counties (Maverick and Shackelford Counties). Nevada identified 1 affected premises (1 confirmed positive) in 1 county (White Pine County, Nevada).
Of the 290 total VSV-affected premises, 243 premises have completed the quarantine period with no new clinical cases and have been released from quarantine. Forty-seven (47) premises remain quarantined in California.
VSV Situation Report 11/9/2023 Briefing
Since the last situation report (11/3/2023), there have been 17 new VSV-affected premises identified (2 confirmed positive, 15 suspect) in California. All confirmed cases to date have been vesicular stomatitis New Jersey virus (VSNJV) serotype. Updates are as follows:
Since the start of the outbreak (5/17/2023), 285 VSV-affected premises have been identified (84 confirmed positive, 201 suspect) in 3 states, California, Nevada, and Texas. Two hundred seventy-seven (277) of these premises have had only equine species clinically affected, six (6) premises had only clinically affected cattle (Fresno County, San Diego County, and Santa Barbara County, California), one (1) premises had both equine and cattle clinically affected (Fresno County, California), and one (1) premises had clinically affected rhinoceros (San Diego County, California).
California has identified 282 affected premises (81 confirmed positive, 201 suspect) in 13 counties (Fresno, Inyo, Los Angeles, Madera, Mariposa, Orange, Riverside, San Bernardino, San Diego, San Luis Obispo, Santa Barbara, Tulare, and Ventura Counties). Texas identified 2 affected premises (2 confirmed positive) in 2 counties (Maverick and Shackelford Counties). Nevada identified 1 affected premises (1 confirmed positive) in 1 county (White Pine County, Nevada).
Of the 285 total VSV-affected premises, 228 premises have completed the quarantine period with no new clinical cases and have been released from quarantine. Fifty-seven (57) premises remain quarantined in California.
VSV Situation Report 11/3/2023 Briefing
Since the last situation report (10/31/2023), there have been 17 new VSV-affected premises identified (1 confirmed positive, 16 suspect) in California, including a new affected county, Inyo County. All confirmed cases to date have been vesicular stomatitis New Jersey virus (VSNJV) serotype. Updates are as follows:
Since the start of the outbreak (5/17/2023), 268 VSV-affected premises have been identified (82 confirmed positive, 186 suspect) in 3 states, California, Nevada, and Texas. Two hundred sixty-one (261) of these premises have had only equine species clinically affected, five (5) premises had only clinically affected cattle (Fresno County, San Diego County, and Santa Barbara County, California), one (1) premises had both equine and cattle clinically affected (Fresno County, California), and one (1) premises had clinically affected rhinoceros (San Diego County, California).
California has identified 265 affected premises (79 confirmed positive, 186 suspect) in 13 counties (Fresno, Inyo, Los Angeles, Madera, Mariposa, Orange, Riverside, San Bernardino, San Diego, San Luis Obispo, Santa Barbara, Tulare, and Ventura Counties). Texas identified 2 affected premises (2 confirmed positive) in 2 counties (Maverick and Shackelford Counties). Nevada identified 1 affected premises (1 confirmed positive) in 1 county (White Pine County, Nevada).
Of the 268 total VSV-affected premises, 228 premises have completed the quarantine period with no new clinical cases and have been released from quarantine. Forty (40) premises remain quarantined in California.
VSV Situation Report 10/31/2023 Briefing
Since the last situation report (10/25/2023), there have been 15 new VSV-affected premises identified (2 confirmed positive, 13 suspect) in California. All confirmed cases to date have been vesicular stomatitis New Jersey virus (VSNJV) serotype. Updates are as follows:
Since the start of the outbreak (5/17/2023), 251 VSV-affected premises have been identified (81 confirmed positive, 170 suspect) in 3 states, California, Nevada, and Texas. Two hundred forty-four (244) of these premises have had only equine species clinically affected, five (5) premises had only clinically affected cattle (Fresno County, San Diego County, and Santa Barbara County, California), one (1) premises had both equine and cattle clinically affected (Fresno County, California), and one (1) premises had clinically affected rhinoceros (San Diego County, California).
California has identified 248 affected premises (78 confirmed positive, 170 suspect) in 12 counties (Fresno, Los Angeles, Madera, Mariposa, Orange, Riverside, San Bernardino, San Diego, San Luis Obispo, Santa Barbara, Tulare, and Ventura Counties). Texas identified 2 affected premises (2 confirmed positive) in 2 counties (Maverick and Shackelford Counties). Nevada identified 1 affected premises (1 confirmed positive) in 1 county (White Pine County, Nevada).
Of the 251 total VSV-affected premises, 218 premises have completed the quarantine period with no new clinical cases and have been released from quarantine. Thirty-three (33) premises remain quarantined in California.
Additional information is accessible at the following link: https://www.aphis.usda.gov/aphis/ourfocus/animalhealth/animal-disease-information/equine/vsv/vesicular-stomatitis
VSV Situation Report 10/25/2023 Briefing
Since the last situation report (10/20/2023), there have been 8 new VSV-affected premises (4 confirmed positive, 4 suspect) identified in California, including a new affected county, Mariposa County. All confirmed cases to date have been vesicular stomatitis New Jersey virus (VSNJV) serotype. Updates are as follows:
Nevada and Texas
Since the start of the outbreak (5/17/2023), 236 VSV-affected premises have been identified (78 confirmed positive, 158 suspect) in 3 states, California, Nevada, and Texas. Two hundred thirty-one (231) of these premises have had only equine species clinically affected, three (3) premises had only clinically affected cattle (San Diego County and Santa Barbara County, California), one (1) premises had both equine and cattle clinically affected (Fresno County, California), and one (1) premises had clinically affected rhinoceros (San Diego County, California).
California has identified 233 affected premises (75 confirmed positive, 158 suspect) in 12 counties (Fresno, Los Angeles, Madera, Mariposa, Orange, Riverside, San Bernardino, San Diego, San Luis Obispo, Santa Barbara, Tulare, and Ventura Counties). Texas identified 2 affected premises (2 confirmed positive) in 2 counties (Maverick and Shackelford Counties). Nevada identified 1 affected premises (1 confirmed positive) in 1 county (White Pine County, Nevada).
Of the 236 total VSV-affected premises, 209 premises have completed the quarantine period with no new clinical cases and have been released from quarantine. Twenty-seven (27) premises remain quarantined in California.
Additional information and maps of the affected area are at the following link: https://www.aphis.usda.gov/aphis/ourfocus/animalhealth/animal-disease-information/equine/vsv/vesicular-stomatitis
VSV Situation Report 10/20/2023 Briefing
Since the last situation report (10/13/2023), there have been 12 new VSV-affected equine premises (3 confirmed positive, 9 suspect) identified in California, including a new affected county, Madera County. All confirmed cases to date have been vesicular stomatitis New Jersey virus (VSNJV) serotype. Updates are as follows:
Since the start of the outbreak (5/17/2023), 228 VSV-affected premises have been identified (74 confirmed positive, 154 suspect) in 3 states, California, Nevada, and Texas. Two hundred twenty-four (224) of these premises have had only equine species clinically affected, three (3) premises have had clinically affected cattle (San Diego County and Santa Barbara County, California), and one (1) premises has had clinically affected rhinoceros (San Diego County, California).
California has identified 225 affected premises (71 confirmed positive, 154 suspect) in 11 counties (Fresno, Los Angeles, Madera, Orange, Riverside, San Bernardino, San Diego, San Luis Obispo, Santa Barbara, Tulare, and Ventura Counties). Texas identified 2 affected premises (2 confirmed positive) in 2 counties (Maverick and Shackelford Counties). Nevada identified 1 affected premises (1 confirmed positive) in 1 county (White Pine County, Nevada).
Of the 228 total VSV-affected premises, 209 premises have completed the quarantine period with no new clinical cases and have been released from quarantine. Nineteen (19) premises remain quarantined in California.
Additional information and maps of the affected area are accessible at the following link: https://www.aphis.usda.gov/aphis/ourfocus/animalhealth/animal-disease-information/equine/vsv/vesicular-stomatitis
Since the last situation report (10/6/2023), there have been 9 new VSV-affected equine premises (0 confirmed positive, 9 suspect) identified in California. All confirmed cases to date have been vesicular stomatitis New Jersey virus (VSNJV) serotype. Updates are as follows:
Since the start of the outbreak (5/17/2023), 216 VSV-affected premises have been identified (71 confirmed positive, 145 suspect) in 3 states, California, Nevada, and Texas. Two hundred twelve (212) of these premises have had only equine species clinically affected, three (3) premises have had clinically affected cattle (San Diego County and Santa Barbara County, California), and one (1) premises has had clinically affected rhinoceros (San Diego County, California).
California has identified 213 affected premises (68 confirmed positive, 145 suspect) in 10 counties (Fresno, Los Angeles, Orange, Riverside, San Bernardino, San Diego, San Luis Obispo, Santa Barbara, Tulare, and Ventura Counties). Texas identified 2 affected premises (2 confirmed positive) in 2 counties (Maverick and Shackelford Counties). Nevada identified 1 affected premises (1 confirmed positive) in 1 county (White Pine County, Nevada).
Of the 216 total VSV-affected premises, 203 premises have completed the quarantine period with no new clinical cases and have been released from quarantine. Thirteen (13) premises remain quarantined in California.
VSV Situation Report 10/6/2023 Briefing
Since the last situation report (9/29/2023), there have been 4 new VSV-affected premises (1 confirmed positive, 3 suspect) identified in California. All confirmed cases to date have been vesicular stomatitis New Jersey virus (VSNJV) serotype. Updates are as follows:
Since the start of the outbreak, 207 VSV-affected premises have been identified (71 confirmed positive, 136 suspect) in 3 states, California, Nevada, and Texas. Two hundred three (203) of these premises have had only equine species clinically affected, three (3) premises have had clinically affected cattle (San Diego County and Santa Barbara County, California), and one (1) premises has had clinically affected rhinoceros (San Diego County, California).
California has identified 204 affected premises (68 confirmed positive, 136 suspect) in 10 counties (Fresno, Los Angeles, Orange, Riverside, San Bernardino, San Diego, San Luis Obispo, Santa Barbara, Tulare, and Ventura Counties). Texas identified 2 affected premises (2 confirmed positive) in 2 counties (Maverick and Shackelford Counties). Nevada identified 1 affected premises (1 confirmed positive) in 1 county (White Pine County, Nevada).
Of the 207 total VSV-affected premises, 201 premises have completed the quarantine period with no new clinical cases and have been released from quarantine. Six (6) premises remain quarantined in California.
VSV Situation Report 9/29/2023 Briefing
Since the last situation report (9/22/2023), there have been 2 new VSV-confirmed positive premises identified in California, including a new affected county, Tulare County. All confirmed cases to date have been vesicular stomatitis New Jersey virus (VSNJV) serotype. Updates are as follows:
Since the start of the outbreak (5/17/2023), 203 VSV-affected premises have been identified (70 confirmed positive, 133 suspect) in 3 states, California, Nevada, and Texas. One hundred ninety-nine (199) of these premises have had only equine species clinically affected, three (3) premises have had clinically affected cattle (San Diego County and Santa Barbara County, California), and one (1) premises has had clinically affected rhinoceros (San Diego County, California).
California has identified 200 affected premises (67 confirmed positive, 133 suspect) in 10 counties (Fresno, Los Angeles, Orange, Riverside, San Bernardino, San Diego, San Luis Obispo, Santa Barbara, Tulare, and Ventura Counties). Texas identified 2 affected premises (2 confirmed positive) in 2 counties (Maverick and Shackelford Counties). Nevada identified 1 affected premises (1 confirmed positive) in 1 county (White Pine County, Nevada).
Of the 203 total VSV-affected premises, 201 premises have completed the quarantine period with no new clinical cases and have been released from quarantine. Two (2) premises remain quarantined in California.
VSV Situation Report 9/22/2023
Since the last situation report (9/15/2023), there have been no new VSV-affected premises identified. All confirmed cases to date have been vesicular stomatitis New Jersey virus (VSNJV) serotype. Updates are as follows:
No new suspect or confirmed positive premises have been identified.
One equine premises remains quarantined in Santa Barbara County.
No new confirmed positive premises have been identified.
Since the start of the outbreak (5/17/2023), 201 VSV-affected premises have been identified (68 confirmed positive, 133 suspect) in 3 states, California, Nevada, and Texas. One hundred ninety-seven (197) of these premises have had only equine species clinically affected, three (3) premises have had clinically affected cattle (San Diego County and Santa Barbara County, California), and one (1) premises has had clinically affected rhinoceros (San Diego County, California).
California has identified 198 affected premises (65 confirmed positive, 133 suspect) in 9 counties (Fresno, Los Angeles, Orange, Riverside, San Bernardino, San Diego, San Luis Obispo, Santa Barbara, and Ventura Counties). Texas identified 2 affected premises (2 confirmed positive) in 2 counties (Maverick and Shackelford Counties). Nevada identified 1 affected premises (1 confirmed positive) in 1 county (White Pine County, Nevada).
Of the 201 total VSV-affected premises, 200 premises have completed the quarantine period with no new clinical cases and have been released from quarantine. One (1) premises remains quarantined.
Additional information and maps of the affected area are contained in the situation report which is posted publicly on the APHIS website later today and accessible at the following link: https://www.aphis.usda.gov/aphis/ourfocus/animalhealth/animal-disease-information/equine/vsv/vesicular-stomatitis
VSV Situation Report 9/15/2023
Since the last situation report (9/8/2023), there has been 1 new VSV-affected premises (1 suspect) identified in California. All confirmed cases to date have been vesicular stomatitis New Jersey virus (VSNJV) serotype. Updates are as follows:
Since the start of the outbreak (5/17/2023), 201 VSV-affected premises have been identified (68 confirmed positive, 133 suspect) in 3 states, California, Nevada, and Texas. One hundred ninety-seven (197) of these premises have had only equine species clinically affected, three (3) premises have had clinically affected cattle (San Diego County and Santa Barbara County, California), and one (1) premises has had clinically affected rhinoceros (San Diego County, California).\
Of the 201 total VSV-affected premises, 200 premises have completed the quarantine period with no new clinical cases and have been released from quarantine. One (1) premises remains quarantined in California.
Additional information and maps of the affected area are contained in the attached situation report. The situation report will be posted publicly on the APHIS website later today and will be accessible at the following link: https://www.aphis.usda.gov/aphis/ourfocus/animalhealth/animal-disease-information/equine/vsv/vesicular-stomatitis
VSV Situation Report 9/8/2023
Since the last situation report (8/30/2023), there have been no new VSV-affected premises identified. All confirmed cases to date have been vesicular stomatitis New Jersey virus (VSNJV) serotype. Updates are as follows:
Since the start of the outbreak, 200 VSV-affected premises have been identified (68 confirmed positive, 132 suspect) in 3 states, California, Nevada, and Texas. One hundred ninety-seven (197) of these premises have had only equine species clinically affected, three (3) premises have had clinically affected cattle (San Diego County and Santa Barbara County, California), and one (1) premises has had clinically affected rhinoceros (San Diego County, California).
California has identified 197 affected premises (65 confirmed positive, 132 suspect) in 9 counties (Fresno, Los Angeles, Orange, Riverside, San Bernardino, San Diego, San Luis Obispo, Santa Barbara, and Ventura Counties). Texas identified 2 affected premises (2 confirmed positive) in 2 counties (Maverick and Shackelford Counties). Nevada identified 1 affected premises (1 confirmed positive) in 1 county (White Pine County, Nevada).
Of the 200 total VSV-affected premises, 183 premises have completed the quarantine period with no new clinical cases and have been released from quarantine. Seventeen (17) premises remain quarantined.
Additional information and maps of the affected area are contained in the situation report which is posted publicly on the APHIS website y and accessible at the following link: https://www.aphis.usda.gov/aphis/ourfocus/animalhealth/animal-disease-information/equine/vsv/vesicular-stomatitis
VSV Situation Report 8/30/2023
Since the last situation report (8/22/2023), there have been 4 new VSV-affected premises identified (0 confirmed positive, 4 suspect) in California. All confirmed cases have been vesicular stomatitis New Jersey virus (VSNJV) serotype. Updates are as follows:
Since the start of the outbreak (5/17/2023), 200 VSV-affected premises have been identified (68 confirmed positive, 132 suspect) in 3 states, California, Nevada, and Texas. One hundred ninety-seven (197) of these premises have had only equine species clinically affected, three (3) premises have had clinically affected cattle (San Diego County and Santa Barbara County, California), and one (1) premises has had clinically affected rhinoceros (San Diego County, California).
Of the 200 total VSV-affected premises, 166 premises have completed the quarantine period with no new clinical cases and have been released from quarantine. Thirty-four (34) premises remain quarantined.
VSV Situation Report 8/22/2023
Since the last situation report (8/15/2023), there have been 7 new VSV-affected premises identified (3 confirmed positive, 4 suspect) in California; 6 equine premises and 1 cattle premises. All confirmed cases have been vesicular stomatitis New Jersey virus (VSNJV) serotype. Updates are as follows:
Since the start of the outbreak (5/17/2023), 196 VSV-affected premises have been identified (68 confirmed positive, 128 suspect) in 3 states, California, Nevada, and Texas. One hundred ninety-two (192) of these premises have had only equine species clinically affected, three (3) premises have had clinically affected cattle (San Diego County and Santa Barbara County, California), and one (1) premises has had clinically affected rhinoceros (San Diego County, California).
California has identified 193 affected premises (65 confirmed positive, 128 suspect) in 9 counties (Fresno, Los Angeles, Orange, Riverside, San Bernardino, San Diego, San Luis Obispo, Santa Barbara, and Ventura Counties). Texas identified 2 affected premises (2 confirmed positive) in 2 counties (Maverick and Shackelford Counties). Nevada identified 1 affected premises (1 confirmed positive) in 1 county (White Pine County, Nevada).
Of the 196 total VSV-affected premises, 156 premises have completed the quarantine period with no new clinical cases and have been released from quarantine. Forty (40) premises remain quarantined.
Additional information and maps of the affected area are contained in the situation report which is posted publicly on the APHIS website and accessible at the following link: https://www.aphis.usda.gov/aphis/ourfocus/animalhealth/animal-disease-information/equine/vsv/vesicular-stomatitis
VSV Situation Report 8/15/2023
Since the last situation report (8/8/2023), there have been 12 new VSV-affected equine premises identified (3 confirmed positive, 9 suspect) in California, including a new affected county, Fresno County, California. All confirmed cases have been vesicular stomatitis New Jersey virus (VSNJV) serotype. Updates are as follows:
Nevada
Texas
Since the start of the outbreak (5/17/2023), 189 VSV-affected premises have been identified (65 confirmed positive, 124 suspect) in 3 states, California, Nevada, and Texas. One hundred eighty-six (186) of these premises have had only equine species clinically affected, two (2) premises have had clinically affected cattle (San Diego County, California), and one (1) premises has had clinically affected rhinoceros (San Diego County, California).
California has identified 186 affected premises (62 confirmed positive, 124 suspect) in 9 counties (Fresno, Los Angeles, Orange, Riverside, San Bernardino, San Diego, San Luis Obispo, Santa Barbara, and Ventura Counties). Texas identified 2 affected premises (2 confirmed positive) in 2 counties (Maverick and Shackelford Counties). Nevada identified 1 affected premises (1 confirmed positive) in 1 county (White Pine County, Nevada).
Of the 189 total VSV-affected premises, 141 premises have completed the quarantine period with no new clinical cases and have been released from quarantine. Forty-eight (48) premises remain quarantined.
VSV Situation Report 8/8/2023
Since the last situation report (8/3/2023), there have been 8 new VSV-affected equine premises identified (3 confirmed positive, 5 suspect) in California and Texas, including a new affected county, Shackelford County, Texas. All confirmed cases have been vesicular stomatitis New Jersey virus (VSNJV) serotype. Updates are as follows:
Since the start of the outbreak (5/17/2023), 177 VSV-affected premises have been identified (62 confirmed positive, 115 suspect) in 3 states, California, Nevada, and Texas. One hundred seventy-four (174) of these premises have had only equine species clinically affected, two (2) premises have had clinically affected cattle (San Diego County, California), and one (1) premises has had clinically affected rhinoceros (San Diego County, California).
California has identified 174 affected premises (59 confirmed positive, 115 suspect) in 8 counties (Los Angeles, Orange, Riverside, San Bernardino, San Diego, San Luis Obispo, Santa Barbara, and Ventura Counties). Texas has identified 2 affected premises (2 confirmed positive) in 2 counties (Maverick and Shackelford Counties). Nevada has identified 1 affected premises (1 confirmed positive) in 1 county (White Pine County, Nevada).
Of the 177 total VSV-affected premises, 105 premises have completed the quarantine period with no new clinical cases and have been released from quarantine. Seventy-two (72) premises remain quarantined.
VSV Situation Report 8/3/2023
Since the last situation report (7/28/2023), there have been 17 new VSV-affected equine premises identified (6 confirmed positive, 11 suspect) in California. All confirmed cases have been vesicular stomatitis New Jersey virus (VSNJV) serotype. Updates are as follows:
Since the start of the outbreak (5/17/2023), 169 VSV-affected premises have been identified (58 confirmed positive, 111 suspect) in 3 states, California, Nevada, and Texas. One hundred sixty-six (166) of these premises have had only equine species clinically affected, two (2) premises have had clinically affected cattle (San Diego County, California), and one (1) premises has had clinically affected rhinoceros (San Diego County, California).
California has identified 167 affected premises (56 confirmed positive, 111 suspect) in 8 counties (Los Angeles, Orange, Riverside, San Bernardino, San Diego, San Luis Obispo, Santa Barbara, and Ventura Counties). Texas identified 1 affected premises (1 confirmed positive) in 1 county (Maverick County, Texas). Nevada identified 1 affected premises (1 confirmed positive) in 1 county (White Pine County, Nevada).
Of the 169 total VSV-affected premises, 100 premises have completed the quarantine period with no new clinical cases and have been released from quarantine. Sixty-nine (69) premises remain quarantined.
On July 27, the National Veterinary Services Laboratories in Ames, Iowa, confirmed vesicular stomatitis New Jersey virus (VSNJV) on an equine premises in White Pine County, Nevada. All four horses on the premises have met the confirmed VSV index case definition with compatible clinical signs (oral lesions) and either positive complement fixation test (CFT) on serum samples (2 horses) or VSNJV detection by real-time RT-PCR from oral lesion swabs (2 horses). There are no other livestock on the premises, which is a grazing pasture, and oral lesions in the horses were first noticed on July 23rd. There have been no movements on or off the premises in the past 2 months. This is the 2023 VSV index case for Nevada.
Additionally, since the last situation report (7/25/2023), there have been 15 new VSV-affected equine premises identified (4 confirmed positive, 11 suspect) in California. All confirmed cases have been vesicular stomatitis New Jersey virus (VSNJV) serotype. Updates are as follows:
Since the start of the outbreak (5/17/2023), 152 VSV-affected premises have been identified (53 confirmed positive, 99 suspect) in 3 states, California, Nevada, and Texas. One hundred forty-nine (149) of these premises have had only equine species clinically affected, two (2) premises have had clinically affected cattle (San Diego County, California), and one (1) premises has had clinically affected rhinoceros (San Diego County, California).
California has identified 150 affected premises (51 confirmed positive, 99 suspect) in 8 counties (Los Angeles, Orange, Riverside, San Bernardino, San Diego, San Luis Obispo, Santa Barbara, and Ventura Counties). Texas identified 1 affected premises (1 confirmed positive) in 1 county (Maverick County, Texas). Nevada identified 1 affected premises (1 confirmed positive) in 1 county (White Pine County, Nevada).
Of the 152 total VSV-affected premises, 93 premises have completed the quarantine period with no new clinical cases and have been released from quarantine. Fifty-nine (59) premises remain quarantined.
Since the last situation report (7/21/2023), there have been 5 new VSV-affected equine premises identified (3 confirmed positive, 2 suspect) in California, including cases in two new infected counties, San Luis Obispo County and Santa Barbara County. All confirmed cases have been vesicular stomatitis New Jersey virus (VSNJV) serotype. Updates are as follows:
Since the start of the outbreak (5/17/2023), 136 VSV-affected premises have been identified (48 confirmed positive, 88 suspect) in 2 states, California and Texas. One hundred thirty-three (133) of these premises have had only equine species clinically affected, two (2) premises have had clinically affected cattle (San Diego County, California), and one (1) premises has had clinically affected rhinoceros (San Diego County, California).
California has identified 135 affected premises (47 confirmed positive, 88 suspect) in 8 counties (Los Angeles, Orange, Riverside, San Bernardino, San Diego, San Luis Obispo, Santa Barbara, and Ventura Counties). Texas identified 1 affected premises (1 confirmed positive) in 1 county (Maverick County, Texas).
Of the 136 total VSV-affected premises, 82 premises have completed the quarantine period with no new clinical cases and have been released from quarantine. Fifty-four (54) premises remain quarantined.
The situation report is posted publicly on the APHIS website and is accessible at the following link: https://www.aphis.usda.gov/aphis/ourfocus/animalhealth/animal-disease-information/equine/vsv/vesicular-stomatitis.
Since the last situation report (7/13/2023), there have been 9 new VSV-affected equine premises identified (3 confirmed positive, 6 suspect) in California. There are currently six affected counties in California (Los Angeles, Orange, Riverside, San Bernardino, San Diego, and Ventura Counties). All confirmed cases have been vesicular stomatitis New Jersey virus (VSNJV) serotype. Updates are as follows:
Since the start of the outbreak (5/17), 131 VSV-affected premises have been identified (45 confirmed positive, 86 suspect) in 2 states, California and Texas. One hundred twenty-eight (128) of these premises have had only equine species clinically affected, two (2) premises have had clinically affected cattle (San Diego County, California), and one (1) premises has had clinically affected rhinoceros (San Diego County, California).
California has identified 130 affected premises (44 confirmed positive, 86 suspect) in 6 counties (Los Angeles, Orange, Riverside, San Bernardino, San Diego, and Ventura Counties). Texas identified 1 affected premises (1 confirmed positive) in 1 county (Maverick County, Texas).
Of the 131 total VSV-affected premises, 76 premises have completed the quarantine period with no new clinical cases and have been released from quarantine. Fifty-five (55) premises remain quarantined.
Additional information and maps of the affected area are contained in the attached situation report. The situation report is posted publicly on the APHIS website and accessible at the following link: https://www.aphis.usda.gov/aphis/ourfocus/animalhealth/animal-disease-information/equine/vsv/vesicular-stomatitis
Since the last situation report (7/7/2023), there have been 5 new VSV-affected equine premises identified (2 confirmed positive, 3 suspect) in California. There are currently six affected counties in California (Los Angeles, Orange, Riverside, San Bernardino, San Diego, and Ventura Counties). All confirmed cases have been vesicular stomatitis New Jersey virus (VSNJV) serotype. Updates are as follows:
Since the start of the outbreak, 123 VSV-affected premises have been identified (42 confirmed positive, 81 suspect) in 2 states, California and Texas. One hundred twenty (120) of these premises have had only equine species clinically affected, two (2) premises have had clinically affected cattle (San Diego County, California), and one (1) premises has had clinically affected rhinoceros (San Diego County, California).
California has identified 122 affected premises (41 confirmed positive, 81 suspect) in 6 counties (Los Angeles, Orange, Riverside, San Bernardino, San Diego, and Ventura Counties). Texas identified 1 affected premises (1 confirmed positive) in 1 county (Maverick County, Texas).
Of the 123 total VSV-affected premises, 67 premises have completed the quarantine period with no new clinical cases and have been released from quarantine. Fifty-six (56) premises remain quarantined.
Since the last situation report (6/30/2023), there have been 5 new VSV-affected equine premises identified (1 confirmed positive, 4 suspect) in California. There are six counties currently affected in California (Los Angeles, Orange, Riverside, San Bernardino, San Diego, and Ventura Counties). The one affected premises in Texas (Maverick County) was released from quarantine on 6/27/2023 and no new affected premises have been identified in Texas. All confirmed cases have been vesicular stomatitis New Jersey virus (VSNJV) serotype. Updates are as follows:
Since the start of the outbreak on 5/17/23, 119 VSV-affected premises have been identified (40 confirmed positive, 79 suspect) in 2 states, California and Texas. One hundred sixteen (116) of these premises have had only equine species clinically affected, two (2) premises have had clinically affected cattle (San Diego County, California), and one (1) premises has had clinically affected rhinoceros (San Diego County, California).
California has identified 118 affected premises (39 confirmed positive, 79 suspect) in 6 counties (Los Angeles, Orange, Riverside, San Bernardino, San Diego, and Ventura Counties). Texas identified 1 affected premises (1 confirmed positive) in 1 county (Maverick County, Texas).
Of the 119 total VSV-affected premises, 63 premises have completed the quarantine period with no new clinical cases and have been released from quarantine. Fifty-six (56) premises remain quarantined.
Since the last situation report (6/22/2023), there have been 10 new VSV-affected equine premises identified (2 confirmed positive, 8 suspect) in California. There are six counties currently affected in California (Los Angeles, Orange, Riverside, San Bernardino, San Diego, and Ventura Counties). The one affected premises in Texas (Maverick County) was released from quarantine on 6/27/2023 and no new affected premises have been identified in Texas. All confirmed cases have been vesicular stomatitis New Jersey virus (VSNJV) serotype. Updates are as follows:
Riverside County – 1 new confirmed positive and 3 new suspect equine premises. Additionally, 1 previously reported suspect equine premises has been confirmed positive.
San Bernardino County – 2 new suspect equine premises
San Diego County – 1 new confirmed positive and 3 new suspect equine premises. Additionally, 1 previously released equine premises has been re-quarantined.
Since the last situation report (6/22/2023), the following previously confirmed positive or suspect premises have been released from quarantine: 6 premises in Riverside County, 1 premises in San Bernardino County, and 17 premises in San Diego County.
No new confirmed positive or suspect premises have been identified.
The one previously confirmed positive equine premises in Maverick County has been released from quarantine.
Since the start of the outbreak, 114 VSV-affected premises have been identified (39 confirmed positive, 75 suspect) in 2 states, California and Texas. One hundred eleven (111) of these premises have had only equine species clinically affected, two (2) premises have had clinically affected cattle (San Diego County, California), and one (1) premises has had clinically affected rhinoceros (San Diego County, California).
California has identified 113 affected premises (38 confirmed positive, 75 suspect) in 6 counties (Los Angeles, Orange, Riverside, San Bernardino, San Diego, and Ventura Counties). Texas identified 1 affected premises (1 confirmed positive) in 1 county (Maverick County, Texas).
Of the 114 total VSV-affected premises, 59 premises have completed the quarantine period with no new clinical cases and have been released from quarantine. Fifty-five (55) premises remain quarantined.
Since the last situation report (6/15/2023), there have been 8 new VSV-affected equine premises identified (3 confirmed positive, 5 suspect) in California including a new infected county, Ventura County. There are six counties currently affected in California (Los Angeles, Orange, Riverside, San Bernardino, San Diego, and Ventura Counties) and one county currently affected in Texas (Maverick County). All confirmed cases have been vesicular stomatitis New Jersey virus (VSNJV) serotype. Updates are as follows:
Since the start of the outbreak, 104 VSV-affected premises have been identified (36 confirmed positive, 68 suspect) in 2 states, California and Texas. One hundred one (101) of these premises have had only equine species clinically affected, two (2) premises have had clinically affected cattle (San Diego County, California), and one (1) premises has had clinically affected rhinoceros (San Diego County, California).
California has identified 103 affected premises (35 confirmed positive, 68 suspect) in 6 counties (Los Angeles, Orange, Riverside, San Bernardino, San Diego, and Ventura Counties). Texas has identified 1 affected premises (1 confirmed positive) in 1 county (Maverick County, Texas).
Of the 104 total VSV-affected premises, 35 premises have completed the quarantine period with no new clinical cases and have been released from quarantine. Sixty-nine (69) premises remain quarantined.
The situation report is posted publicly on the APHIS website and accessible at the following link: https://www.aphis.usda.gov/aphis/ourfocus/animalhealth/animal-disease-information/equine/vsv/vesicular-stomatitis
On June 15, 2023, the National Veterinary Services Laboratories in Ames, Iowa, confirmed a finding of vesicular stomatitis New Jersey virus (VSNJV) on a premises in Maverick County, Texas. One horse on the premises, a 15-year-old Quarter Horse gelding, met the confirmed VSV index case definition with compatible clinical signs and real-time RT-PCR detected results for VSNJV on swabs from oral lesions. This is the 2023 VSV index case for Texas.
Additionally, since the last situation report (6/9/2023), there have been 18 new VSV-affected premises identified (3 confirmed positive, 15 suspect) in California with five counties currently affected: Los Angeles, Orange, Riverside, San Bernardino, and San Diego Counties. To date, all confirmed cases have been vesicular stomatitis New Jersey virus (VSNJV) serotype. Updates are as follows:
Since the start of the 2023 outbreak on May 17th, 96 VSV-affected premises have been identified (33 confirmed positive, 63 suspect) in 2 states, California and Texas. Ninety-three (93) of these premises have had only equine species clinically affected, two (2) premises have had clinically affected cattle (San Diego County, California), and one (1) premises has had clinically affected rhinoceros (San Diego County, California).
California has identified 95 affected premises (32 confirmed positive, 63 suspect) in 5 counties (Los Angeles, Orange, Riverside, San Bernardino, and San Diego Counties). Texas has identified 1 affected premises (1 confirmed positive) in 1 county (Maverick County, Texas).
Of the 96 total VSV-affected premises, 28 premises have completed the quarantine period with no new clinical cases and have been released from quarantine. Sixty-eight (68) premises remain quarantined.
The situation report is posted publicly on the APHIS website later today and accessible at the following link: https://www.aphis.usda.gov/aphis/ourfocus/animalhealth/animal-disease-information/equine/vsv/vesicular-stomatitis
Since the last situation report (6/6/2023), there have been 15 new VSV-affected premises identified (4 confirmed positive, 11 suspect) in California with five counties currently affected: Los Angeles, Orange, Riverside, San Bernardino, and San Diego Counties. To date, all confirmed cases have been vesicular stomatitis New Jersey virus (VSNJV) serotype. Updates are as follows:
Since the start of the outbreak, 77 VSV-affected premises have been identified (29 confirmed positive, 48 suspect) in 1 state, California. Seventy-five (75) of these premises have had only equine species clinically affected in 5 counties (Los Angeles, Orange, Riverside, San Bernardino, and San Diego Counties), one (1) premises has had clinically affected cattle (San Diego County), and one (1) premises has had clinically affected rhinoceros (San Diego County).
Of the 77 VSV-affected premises, 10 premises have completed the quarantine period with no new clinical cases and have been released from quarantine. Sixty-seven (67) premises remain quarantined.
The situation report is posted publicly on the APHIS website and is accessible at the following link: https://www.aphis.usda.gov/aphis/ourfocus/animalhealth/animal-disease-information/equine/vsv/vesicular-stomatitis
Since the last situation report (6/2/2023), there have been 18 new VSV-affected premises identified (11 confirmed positive, 7 suspect) in four counties (Orange, Riverside, San Bernardino, and San Diego Counties) in California. To date, all confirmed cases have been vesicular stomatitis New Jersey virus (VSNJV) serotype. Updates are as follows:
Since the start of the outbreak, 62 VSV-affected premises have been identified (25 confirmed positive, 37 suspect) in 1 state, California. Sixty-one (61) of these premises have had only equine species clinically affected in 4 counties (Orange, Riverside, San Bernardino, and San Diego Counties) and one (1) premises has had clinically affected cattle (San Diego County).
Since the last situation report (5/26/2023), there have been 18 new VSV-affected premises identified (4 confirmed positive, 14 suspect) in three counties (Riverside, San Bernardino, and San Diego Counties) in California. To date, all confirmed cases have been vesicular stomatitis New Jersey virus (VSNJV) serotype. Updates are as follows:
Since the start of the outbreak, 44 VSV-affected premises have been identified (14 confirmed positive, 30 suspect) in 1 state, California. Forty-three (43) of these premises have had only equine species clinically affected in 3 counties (Riverside, San Bernardino, and San Diego Counties) and one (1) premises has had clinically affected cattle (San Diego County).
Since the last situation report (5/17/2023), there have been 15 new VSV-affected equine premises identified (4 confirmed positive, 11 suspect) in California. One new county (Riverside County) has become a confirmed VSV-positive county. To date, all confirmed cases have been vesicular stomatitis New Jersey virus (VSNJV) serotype. County-level distribution of new cases is as follows:
Riverside County (New Infected County) – 2 confirmed positive, 2 suspect premises (all equine)
San Diego County – 2 new confirmed positive, 9 new suspect premises (all equine)
Summary of the Outbreak
The 2023 VSV outbreak began on May 17, 2023, when the National Veterinary Services Laboratories (NVSL) in Ames, Iowa, confirmed the first VSV-positive premises in San Diego County, California.
Since the start of the outbreak, 19 VSV-affected premises have been identified (8 confirmed positive, 11 suspect) in 1 state, California. All nineteen (19) of these premises have had only equine species clinically affected in 2 counties (Riverside and San Diego Counties).
On May 17th, the National Veterinary Services Laboratories in Ames, Iowa, confirmed a finding of vesicular stomatitis New Jersey virus (VSNJV) on an equine premises in San Diego County, California. One horse, an 11-year-old Quarter Horse mare, on the premises met confirmed vesicular stomatitis virus (VSV) index case definition with compatible clinical signs and virus isolation positive results for VSNJV on swabs from oral lesions. Additionally, three other equine premises in San Diego County, California, have now met subsequent confirmed case definition with compatible clinical signs and real-time RT-PCR detection for VSNJV. This is the 2023 VSV index case for the United States and 3 subsequent VSV cases for California.
The situation report will be posted publicly on the APHIS website later today and will be accessible at the following link: https://www.aphis.usda.gov/aphis/ourfocus/animalhealth/animal-disease-information/equine/vsv/vesicular-stomatitis
Additional information about Vesicular Stomatitis, including past situation reports, can be found here: