Henry L Niman PhD
hlniman.bsky.social
Henry L Niman PhD
@hlniman.bsky.social
H5 confirmed Backyard flocks added to WSDA table from
San Juan
Jefferson
Snohomish counties
November 28, 2025 at 1:59 PM
H5 confirmed
Stathoy-Caradoc
Ontario
Commercial poultry
November 27, 2025 at 3:53 PM
H5 confirmed
Caribou Regional
Non-commercial
British Columbia
November 26, 2025 at 9:41 PM
fatal H5N5 case
Grays Harbor Co WA
considerable interest
WSDA has
interactive map with 3 recent conf
incl/ backyard mixed flock (likely patient's flock)
Grays Harbor Co
APHIS update
3 more backyard flocks
Not on map or table
Snohomish
Jefferson
San Juan
www.aphis.usda.gov/livestock-po...
November 26, 2025 at 5:43 PM
Todays CDC Summary of human H5 cases now has
7 cases identified through surveillance

www.cdc.gov/bird-flu/sit...
November 26, 2025 at 3:34 AM
A/turkey/Montana/024658-001/2025 | 9/9/25
H5 1704
1704
A/turkey/Montana/024658-001/2025
1703
A/Turkey/AB/FAV-0347-1/2025
A/Turkey/AB/FAV-0270/2025
1702
A/Chicken/AB/FAV-0340-001/2025
A/chicken/South Dakota/024635-001/2025
1701
A/Whooping_crane/SK/FAV-0436-2/2025
November 25, 2025 at 5:42 PM
A/chicken/South Dakota/024635-001/2025 | 9/8/25
D1.1 Spink WAOH Poultry
GSAID database not updated
H5 1704
1703
A/Turkey/AB/FAV-0347-1/2025
A/Turkey/AB/FAV-0270/2025
1702
A/Chicken/AB/FAV-0340-001/2025
1701
A/Whooping_crane/SK/FAV-0436-2/2025
A/cat/USA/009022-003/2025
November 25, 2025 at 4:35 PM
A/Meat-type turkey/North Dakota/024186-002/2025 | 8/30/25 Dickey
D1.1 H5 1704
1702
A/Chicken/AB/FAV-0340-001/2025
1701
A/canada goose/USA/009017-002/2025
A/canada goose/USA/009017-001/2025
1700
A/Chicken/BC/FAV-0273-2/2024
A/Canada_Goose/BC/OTH-0108-34/2024
November 25, 2025 at 4:14 PM
A/turkey/Montana/024658-001/2025 | 9/9/25
D1.1 Liberty WAOH Poultry
GISAID database not updated
H5 1704
1703
A/Turkey/AB/FAV-0347-1/2025
A/Turkey/AB/FAV-0270/2025
1702
A/Chicken/AB/FAV-0340-001/2025
1701
A/Whooping_crane/SK/FAV-0436-2/2025
A/cat/USA/009022-003/2025
November 25, 2025 at 4:01 PM
A/chicken/New York/023583-003/2025 | 8/21/25
D1.1 BY St Lawrence
GISAID database not update
H5 1704
1702
A/Duck/QC/FAV-0272-2/2025
1701
A/Caspian_Tern/ON/FAV-0181-4/2025
A/caspian tern/USA/019811-002/2025
1700
A/bald eagle/USA/020556-001/2025
A/red-tailed hawk/USA/009646-001/2025
November 25, 2025 at 4:01 PM
A/chicken/Maryland/024664-001/2025 | 9/9/25
D1.1
GISAID Database not updated
H5 1704
1702
A/mallard/USA/019408-008/2025
A/mallard/USA/019408-007/2025
A/chukar/USA/019408-001/2025
A/chukar/USA/019408-002/2025
A/canada goose/USA/017808-001/2025
A/black vulture/USA/015563-001/2025
November 25, 2025 at 3:20 PM
CDC updated current conf human H5 current website

2 of the 71 confirmed cases are deaths

Cases detected by surveillance returned to 6

coupled with the 24 targeted cases = 70

Unclear if lowering surveillance cases from 7 to 6 is a clerical error

www.cdc.gov/bird-flu/sit...
November 25, 2025 at 4:49 AM
H5 confirmed
Ontonagon Co
MI
Backyard flock
November 24, 2025 at 7:31 PM
H5 confirmed
Strathroy-Caradoc
Ontario
Commercial poultry
November 23, 2025 at 5:52 PM
WARNING - AI generated
There is a DETAILED (FALSE) report (7 hours ago) on H5N5 patient with IMPOSSIBLE dates
Dates are totally inconsistant with true dates of complete seq released by Wash U
11/10 BAL collection
11/14 Full seq completed
11/17 Seq PUBLIC
A/Washington/2148/2025
November 23, 2025 at 12:24 PM
H5 confirmed
Grande Prairie Co
Alberta
Non-commercial poultry
November 22, 2025 at 9:51 PM
A bronchoalveolar lavage (BAL) collection on ECMO

Note that full seq (at Genbank and GISAID)
of the fatally infected patient
was a BAL col on 11/10/25
A/Washington/2148/2025 | 11/10/25
indirectly suggesting patient was on ECMO at the time of collection
doh.wa.gov/newsroom/gra...
November 22, 2025 at 1:23 PM
undergoing treatment for H5N5 avian influenza
died today

From yesterday's WA DoH PR
CDC did update H5 website on total H5 cases - 71
no mentioned of H5N5
Also no mention of death
Full seq from patient
uploaded to Genbank and GISAID by Univ Washington
No seq from CDC
H5N5 CFR 100%
November 22, 2025 at 10:31 AM
H5 confirmed
Ituna Bon
Saskatchewan
Non-commercial TBD
November 22, 2025 at 10:06 AM
H5 confimed in Alberta
Sturgeon County
Non-commercial
Non poultry

Taber
Commercial poultry
November 22, 2025 at 2:39 AM
WSDA updated H5 Confirmed table
Grays Harbor Backyard Flock
Confirmed 11/18/25
small & mixed
Matches the description of the flock belonging to
H5N5 severe case currently hospitalized in Seattle
King County
Confirmation date quite late for patient hosp beginning of month
or BAL collected 11/10/25
November 20, 2025 at 9:58 PM
(WSDA) confirms new cases of highly pathogenic avian influenza (HPAI or bird flu) in domestic birds in Whatcom, Grays Harbor and Snohomish County at this time

Confirms exclusion zone for Grays Harbor

agr.wa.gov/about-wsda/n...
November 20, 2025 at 7:01 PM
H5 confirmed
Strathcona County
Alberta
Commercial poultry
November 20, 2025 at 8:59 AM
H5 confirmed
November 19, 2025 at 10:02 PM
H5 backyard farm in Grays Harbor Co Washington has been confirmed and exclusion zone established

agr.wa.gov/departments/...
November 19, 2025 at 7:11 PM