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As of December 13 the transparency has become clouded - there are confirmed herds with the same confirmation date being reported later on multiple days.
All state totals and the US total are the known number of herds and are a range only - not absolute certain counts.
hat tip Pathfinder, Commonground, Shiloh
Cumulative H5N1 Mammal Livestock list
As of January 15, 3:45 pm ET a total of USDA confirmed + highly probable (via state announcement) = 932
Species Date confirmed by NVSL
California = 710
Dairy Milking Cattle 8/30/24, announced by state,link
Dairy Milking Cattle 8/30/24, announced by state, link
Dairy Milking Cattle 8/30/24, announced by state, link
Dairy Milking Cattle 9/9/24
Dairy Milking Cattle 9/9/24
Dairy Milking Cattle 9/9/24
Dairy Milking Cattle 9/10/24
Dairy Milking Cattle 9/10/24
Dairy Milking Cattle 9/13/24
Dairy Milking Cattle 9/13/24
Dairy Milking Cattle 9/18/24
Dairy Milking Cattle 9/18/24
Dairy Milking Cattle 9/18/24
Dairy Milking Cattle 9/18/24
Dairy Milking Cattle 9/18/24
Dairy Milking Cattle 9/18/24
Dairy Milking Cattle 9/20/24, announced by state on its website Sept. 20 link
Dairy Milking Cattle 9/20/24
Dairy Milking Cattle 9/20/24
Dairy Milking Cattle 9/20/24
Dairy Milking Cattle 9/20/24
Dairy Milking Cattle 9/20/24
Dairy Milking Cattle 9/20/24
Dairy Milking Cattle 9/20/24
Dairy Milking Cattle 9/20/24
Dairy Milking Cattle 9/20/24
Dairy Milking Cattle 9/20/24
Dairy Milking Cattle 9/20/24
Dairy Milking Cattle 9/20/24
Dairy Milking Cattle 9/20/24
Dairy Milking Cattle 9/20/24
Dairy Milking Cattle 9/20/24
Dairy Milking Cattle 9/20/24
Dairy Milking Cattle 9/20/24
Dairy Milking Cattle 9/23/24
Dairy Milking Cattle 9/23/24
Dairy Milking Cattle 9/23/24
Dairy Milking Cattle 9/23/24
Dairy Milking Cattle 9/23/24
Dairy Milking Cattle 9/23/24
Dairy Milking Cattle 9/26/24, announced by statelink
Dairy Milking Cattle 9/27/24
Dairy Milking Cattle 9/27/24
Dairy Milking Cattle 9/27/24
Dairy Milking Cattle 10/1/24
Dairy Milking Cattle 10/1/24
Dairy Milking Cattle 10/1/24
Dairy Milking Cattle 10/1/24
Dairy Milking Cattle 10/1/24
Dairy Milking Cattle 10/1/24
Dairy Milking Cattle 10/1/24
Dairy Milking Cattle 10/1/24
Dairy Milking Cattle 10/1/24
Dairy Milking Cattle 10/1/24
Dairy Milking Cattle 10/1/24
Dairy Milking Cattle 10/2/24
11 Dairy Milking Cattle herds 10/3/24
15 Dairy Milking Cattle herds 10/4/24
13 Dairy Milking Cattle herds 10/7/24,an extra herd showed up in the count as #96.
3 Dairy Milking Cattle herds 10/8/24
Dairy Milking Cattle herd 10/9/24
5 Dairy Milking Cattle herds 10/10/24
15 Dairy Milking Cattle herds 10/15/24
4 Dairy Milking Cattle herds 10/15/24 (3), 10/16/24 (1)
7 Dairy Milking Cattle herds 10/16/24 (3 added), 10/19/24 (4) link , As of Oct. 22 all of these herds now appear with Oct. 16 date.
2 Dairy Milking Cattle herds 10/17/24
1 Dairy Milking Cattle herds 10/23/24, announced by state link
3 Dairy Milking Cattle herds 10/22/24
41 Dairy Milking Cattle herds 10/24/24 (23), 10/25/24 (18)6
8 Dairy Milking Cattle herds, 10/25/24 (8 more added to 25th above)
5 Dairy Milking Cattle herds, 10/28/24
2 administrator place holder herds as California has announced 193 total herds today. (Older positive test results apparently now added? Will take a look over the weekend.)
9 Dairy Milking Cattle herds, 10/29/24
23 Dairy Milking Cattle herds, 10/31/24
7 Dairy Milking Cattle herds, 11/1/24
3 Dairy Milking Cattle herds, 11/7/24,announced by state link
23 Dairy Milking Cattle herds, 11/6/24, additional herds listed by the USDA excluding the 3 dairy herds announced by the state above
17 Dairy Milking Cattle herds, 11/8/24
13 Dairy Milking Cattle herds, 11/12/24
3 Dairy Milking Cattle herds, 11/13/24
33 Dairy Milking Cattle herds, 11/14/24
8 Dairy Milking Cattle herds, 11/15/24
62 Dairy Milking Cattle herds, 11/18,19,20/24 (#352 was listed today with a detected date of 11/20/24)
4 Dairy Milking Cattle herds, 11/20/24
10 Dairy Milking Cattle herds, 11/21/24
23 Dairy Milking Cattle herds, 11/22/24
24 Dairy Milking Cattle herds, 11/25/24
13 Dairy Milking Cattle herds, 11/27/24
6 Dairy Milking Cattle herds, 12/3/24
13 Dairy Milking Cattle herds, 12/3/24
12 Dairy Milking Cattle herds, 12/3/24
2 Dairy Milking Cattle herds, 12/4 & 12/5/24
14 Dairy Milking Cattle herds, 12/6/24
32 Dairy Milking Cattle herds, 12/9/24 (USDA added 25 more to the list of 7 announced on 12/10, for a total detected on 12/9 of 32.)
63 Dairy Milking Cattle herds,12/10/24(USDA added 56 more to the list of 7 announced on 12/10, a total detected on 12/10 of 63.)
1 Dairy Milking Cattle herd, 12/11/24
13 Dairy Milking Cattle herds listed by USDA on Dec. 13 with confirmation dates of: Dec. 10 (5), Dec. 11 (3) and Dec. 12 (5) link
7 Dairy Milking Cattle herds, 12/13/24
1 Dairy Milking Cattle herd, 12/14/24
2 Dairy Milking Cattle herds, 12/10/24 - listed on 12/17/24
1 Dairy Milking Cattle herd, 12/12/24 - listed on 12/17/24
5 Dairy Milking Cattle herds, 12/16/24 - listed on 12/17/24
4 Dairy Milking Cattle herds, 12/16/24 - listed on 12/18/24
1 Dairy Milking Cattle herd, 12/13/24 - listed on 12/19/24
1 Dairy Milking Cattle herd, 12/17/24
9 Dairy Milking Cattle herds, 12/18/24
1 Dairy Milking Cattle herd, 12/19/24
3 Dairy Milking Cattle herd, 12/24/24
10 Dairy Milking Cattle herds, 12/23/24 - listed on 12/24/24
1 Dairy Milking Cattle herd, 12/24/24 - listed on 12/24/24
10 Dairy Milking Cattle herds with various confirmation dates including 2 herds with confirmation dates more than 2 weeks back.
9 Dairy Milking Cattle herds, 12/26/24
3 Dairy Milking Cattle herds, 12/27/24
2 Dairy Milking Cattle herds, 12/31/24
2 Dairy Milking Cattle herds, 1/3/25, listed on 1/6/25
2 Dairy Milking Cattle herds, 1/3/25, listed on 1/7/25
3 Dairy Milking Cattle herds, 1/7/25, listed on 1/9/25
1 Dairy Milking Cattle herd, 1/8/25
1 Dairy Milking Cattle herd, 1/10/25
2 Dairy Milking Cattle herds, 1/13/25
Colorado = 65 herds and dairy bulk tank test results
Dairy Milking Cattle 4/25/2024
Dairy Milking Cattle 5/8/2024
Dairy Milking Cattle 5/20/2024
Dairy Milking Cattle 5/22/2024
Dairy Milking Cattle 6/12/2024
Dairy Milking Cattle 6/13/2024
Dairy Milking Cattle 6/13/2024
Dairy Milking Cattle 6/13/2024
Dairy Milking Cattle 6/13/2024
Dairy Milking Cattle 6/14/2024
Dairy Milking Cattle 6/18/2024
Dairy Milking Cattle 6/18/2024
Dairy Milking Cattle 6/20/2024, announced by state link
Dairy Milking Cattle 6/21/2024, announced by state link
Dairy Milking Cattle 6/21/2024, announced by state link
Dairy Milking Cattle 6/21/2024, announced by state link
Dairy Milking Cattle 6/21/2024, announced by state link
Dairy Milking Cattle 6/21/2024, announced by state link
Dairy Milking Cattle 6/28/2024 case #17 was finally defined by state on this date link
Dairy Milking Cattle 6/24/2024, announced by state link
Dairy Milking Cattle 6/24/2024, announced by state link
Dairy Milking Cattle 6/25/2024, announced by state link
Dairy Milking Cattle 6/25/2024, announced by state link
Dairy Milking Cattle 6/28/2024, announced by state link
Dairy Milking Cattle 6/28/2024, announced by state link
Dairy Milking Cattle 6/28/2024, announced by state link
Dairy Milking Cattle 7/1/2024, announced by state link
Dairy Milking Cattle 7/8/2024
Dairy Milking Cattle 7/8/2024
Dairy Milking Cattle 7/8/2024
Dairy Milking Cattle 7/10/2024
Dairy Milking Cattle 7/10/2024
Dairy Milking Cattle 7/10/2024
Dairy Milking Cattle 7/10/2024
Dairy Milking Cattle 7/10/2024
Dairy Milking Cattle 7/11/2024
Dairy Milking Cattle 7/12/2024, announced by state link
Placeholder, not defined #38, announced by state link
Placeholder, not defined #39, announced by state link
Placeholder, not defined #40, announced by state link
Dairy Milking Cattle 7/11/2024, announced by state link
Placeholder, not defined #42, announced by state link
Dairy Milking Cattle 7/10/2024, announced by state link
Placeholder, not defined #44, announced by state link
Dairy Milking Cattle, 7/18/2024, announced by state link
Dairy Milking Cattle, 7/19/2024
Dairy Milking Cattle, 7/19/2024
Dairy Milking Cattle, 7/22/2024, announced by state link
Dairy Milking Cattle, 7/22/2024, announced by state link
Dairy Milking Cattle, 7/23/2024, announced by state link
Dairy Milking Cattle, 7/23/2024, announced by state link
Dairy Milking Cattle, 7/31/2024
Dairy Milking Cattle, 8/5/2024, announced by state link
Dairy Bulk tank, 8/5/2024, announced by state link
Dairy Bulk tank, 8/5/2024, announced by state link
Dairy Bulk tank, 8/6/2024, announced by state link
Dairy Bulk tank, 8/5/2024, announced by state link
Dairy Bulk tank, 8/5/2024, announced by state link
Dairy Bulk tank, 8/5/2024, announced by state link
Dairy Bulk tank, 8/5/2024, announced by state link
Dairy Bulk tank, 8/5/2024, announced by state link
Dairy Bulk tank, 8/5/2024, announced by state link
Dairy Bulk tank, 8/5/2024, announced by state link
Dairy Bulk tank, 8/13/2024
A "reherd" - an re-infection of a herd that was previously infected. USDA is not counting repeat infections. link
Idaho = 36
Dairy Milking Cattle 4/1/2024
Dairy Milking Cattle 4/19/2024
Dairy Milking Cattle 5/7/2024
Dairy Milking Cattle 5/11/2024
Dairy Milking Cattle 5/14/2024
Alpacas 5/16/2024
Dairy Milking Cattle 5/16/2024
Dairy Milking Cattle 5/21/2024
Dairy Milking Cattle 5/21/2024
Dairy Milking Cattle 5/24/2024
Dairy Milking Cattle 5/30/2024
Dairy Milking Cattle 5/30/2024
Dairy Milking Cattle 5/30/2024
Dairy Milking Cattle 5/30/2024
Dairy Milking Cattle 5/30/2024
Dairy Milking Cattle 5/30/2024
Dairy Milking Cattle 5/30/2024
Dairy Milking Cattle 5/30/2024
Dairy Milking Cattle 6/3/2024
Dairy Milking Cattle 6/6/2024
Dairy Milking Cattle 6/10/2024
Dairy Milking Cattle 6/10/2024
Dairy Milking Cattle 6/10/2024
Dairy Milking Cattle 6/17/2024
Dairy Milking Cattle 6/17/2024
Dairy Milking Cattle 6/17/2024
Diary Milking Cattle 6/20/2024
Dairy Milking Cattle 6/26/2024
Diary Milking Cattle 7/11/2024
Dairy Milking Cattle 7/11/2024
Dairy Milking Cattle 8/13/2024
Dairy Milking Cattle 9/12/2024
Dairy Milking Cattle 9/27/24
Dairy Milking Cattle 9/30/24
2 Dairy Milking Cattle 10/21 & 22, 2024
Iowa = 13
Dairy Milking Cattle 6/7/2024
Dairy Milking Cattle 6/10/2024
Dairy Milking Cattle 6/13/2024
Dairy Milking Cattle 6/17/2024
Dairy Milking Cattle 6/17/2024
Dairy Milking Cattle 6/18/2024
Dairy Milking Cattle 6/18/2024
Dairy Milking Cattle 6/19/2024, Sioux county - announced by state link
Dairy Milking Cattle 6/18/2024, Sioux county - announced by state link
Dairy Milking Cattle 6/19/2024, Sioux county - announced by state link
Dairy Milking Cattle 6/22/2024, Sioux county - announced by state link
Dairy Milking Cattle 6/27/2024, Sioux county - announced by state link
Dairy Milking Cattle 6/27/2024, Sioux county - announced by state link
Kansas = 4
Dairy Milking Cattle 3/26/2024
Dairy Milking Cattle 3/26/2024
Dairy Milking Cattle 4/1/2024
Dairy Milking Cattle 4/17/2024
Michigan = 31
Dairy Milking Cattle 3/29/2024
Dairy Milking Cattle 4/5/2024
Dairy Milking Cattle 4/12/2024
Dairy Milking Cattle 4/12/2024
Dairy Milking Cattle 4/15/2024
Dairy Milking Cattle 4/17/2024
Dairy Milking Cattle 5/8/2024
Dairy Milking Cattle 5/8/2024
Dairy Milking Cattle 5/8/2024
Dairy Milking Cattle 5/8/2024
Dairy Milking Cattle 5/10/2024
Dairy Milking Cattle 5/11/2024
Dairy Milking Cattle 5/14/2024
Dairy Milking Cattle 5/14/2024
Dairy Milking Cattle 5/16/2024
Dairy Milking Cattle 5/22/2024
Dairy Milking Cattle 5/22/2024
Dairy Milking Cattle 5/22/2024
Dairy Milking Cattle 5/22/2024
Dairy Milking Cattle 5/23/2024
Dairy Milking Cattle 5/28/2024
Dairy Milking Cattle 5/28/2024
Dairy Milking Cattle 5/29/2024
Dairy Milking Cattle 5/31/2024
Dairy Milking Cattle 6/11/2024
Dairy Milking Cattle 7/8/2024, announced by state link
Dairy Milking Cattle 7/29/2024, announced by state link
Dairy Milking Cattle 8/26/2024, announced by state link
Dairy Milking Cattle 9/9/2024, announced by state link
Dairy Milking Cattle 10/16/2024, announced by statelink
Dairy Milking Cattle 12/30/2024, listed on 1/9/2025
Minnesota = 10 per state
Goats 3/7/2024 posted to match state list link
Dairy Milking Cattle 6/5/2024
Dairy Milking Cattle 6/6/2024
Dairy Milking Cattle 6/7/2024
Dairy Milking Cattle 6/18/2024
Dairy Milking Cattle 6/18/2024
Dairy Milking Cattle 6/18/2024
Cattle 6/28/2024, announced by state link
Cattle 7/9/2024, announced by state link
Cattle 7/17/2024, announced by state link
Nevada = 1
Dairy Milking Cattle 12/6/2024, announced by state link
New Mexico = 9
Dairy Milking Cattle 4/1/2024
Dairy Milking Cattle 4/1/2024
Dairy Milking Cattle 4/1/2024
Dairy Milking Cattle 4/6/2024
Dairy Milking Cattle 4/6/2024
Dairy Milking Cattle 4/9/2024
Dairy Milking Cattle 4/10/2024
Dairy Milking Cattle 4/17/2024
Dairy Milking Cattle 8/28/2024
North Carolina = 1
Dairy Milking Cattle 4/9/2024
Ohio = 1
Dairy Milking Cattle 4/2/2024
Oklahoma = 2
Dairy Milking Cattle, announced by state on July 12, 2024 - from samples in April link fromone producer but 2 close-by separate locations
Oregon = 1
Swine, backyard
South Dakota = 7
Dairy Milking Cattle 4/9/2024
Dairy Milking Cattle 5/17/2024
Dairy Milking Cattle 5/22/2024
Dairy Milking Cattle 5/23/2024
Dairy Milking Cattle 5/31/2024
Dairy Milking Cattle 7/31/2024
Dairy Milking Cattle 7/31/2024
Texas = 27
Dairy Milking Cattle 3/25/2024
Dairy Milking Cattle 3/26/2024
Dairy Milking Cattle 3/27/2024
Dairy Milking Cattle 3/27/2024
Dairy Milking Cattle 3/27/2024
Dairy Milking Cattle 3/30/2024
Dairy Milking Cattle 3/30/2024
Dairy Milking Cattle 4/4/2024
Dairy Milking Cattle 4/4/2024
Dairy Milking Cattle 4/9/2024
Dairy Milking Cattle 4/10/2024
Dairy Milking Cattle 4/17/2024
Dairy Milking Cattle 5/9/2024
Dairy Milking Cattle 5/20/2024
Dairy Milking Cattle 5/23/2024
Dairy Milking Cattle 5/31/2024
Dairy Milking Cattle 6/3/2024
Dairy Milking Cattle 6/3/2024
Dairy Milking Cattle 6/4/2024
Dairy Milking Cattle 6/17/2024
Dairy Milking Cattle 6/17/2024
Dairy Milking Cattle 7/8/2024
Dairy Milking Cattle 7/30/2024
Dairy Milking Cattle 8/1/2024
Dairy Milking Cattle 9/11/2024
Dairy Milking Cattle 9/12/2024
Dairy Milking Cattle 12/16/24, listed on 12/18/24
Utah = 13
8 Dairy Milking Cattle, announced by state 10/30/24 link
1 Dairy Milking Cattle 11/4/24
4 Dairy Milking Cattle 11/6/24
Wyoming = 1
Dairy Milking Cattle 6/6/2024
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