Henry L Niman PhD

A/snow goose/Pennsylvania/06298-001/2025 | 12/12/25
D1.1 NP PA reassortant
PA 2151
2145
A/american green-winged teal/Minnesota/01500-002/2025 | 9/6/25 H12N5
2144
A/blue-winged teal/USA/025843-018-R2/2025 H12N5

A/snow goose/Pennsylvania/06298-001/2025 | 12/12/25
D1.1 NP PA reassortant
PA 2151
2145
A/snow goose/Pennsylvania/06526-002/2025 | 12/15/25
A/red-tailed hawk/Pennsylvania/06526-001/2025 | 12/15/25
A/red-tailed hawk/Pennsylvania/06529-001/2025 | 12/17/25

A/snow goose/Pennsylvania/06298-001/2025 | 12/12/25
D1.1 PA NP Reassortant
NP 1497
1491
A/snow goose/Pennsylvania/06526-002/2025 | 12/15/25
A/duck/USA/024262-012/2025 H3N8
A/blue-winged teal/South Dakota/025426-005/2025 | 9/14/25 LPAI H4N8

A/snow goose/Pennsylvania/06298-001/2025 | 12/12/25
D1.1 PA NP Reassortant
NP 1497
1495
A/red-tailed hawk/Pennsylvania/06526-001/2025 | 12/15/25
1493
A/red-tailed hawk/Pennsylvania/06529-001/2025 | 112/17/25
1491
A/blue-winged teal/USA/025844-012-R2/2025 LPAI H4N6

A/snow goose/Pennsylvania/06298-001/2025 | 12/12/25
D1.1 PA NP Reassortant
NP 1497
1495
A/red-tailed hawk/Pennsylvania/06526-001/2025 | 12/15/25
1493
A/red-tailed hawk/Pennsylvania/06529-001/2025 | 112/17/25
1491
A/blue-winged teal/USA/025844-012-R2/2025 LPAI H4N6

Recent H5 detections on farms in Pennylvania has increased recently as seen in APHIS detections
These increases may be linked to novel H5N1 D1.1 reassortants uploaded to GISAID by NVSL

Recent H5 detections in wild birds in Pennylvania has increased recently as seen in APHIS detections
These increases may be linked to novel H5N1 D1.1 reassortants uploaded to GISAID by NVSL
2/2

Recent H5 detections in wild birds in Pennylvania has increased recently as seen in APHIS detections
These increases may be linked to novel H5N1 D1.1 reassortants uploaded to GISAID by NVSL
1/2

NVSL has uploaded wild bird H5N1 seqs to GISAID
The seqs incl location a collection dates
Included are novel D1.1 reassortants from
Dec 2015 collections in Pennsylvania like
A/snow goose/Pennsylvania/06298-001/2025 | 12/12/25
PA and NP segs from North American wild birds

H5 confirmed
Jefferson County
Wisconsin
Commercial poultry

H5 confirmed
Langley Township
British Columbia
Non-comercial

H5 confirmed
Langley Township
British Columbia
Commercial Poultry

H5 confirmed
Amhersberg
Ontario
Commercial poultry

H5 confirmed
Yarmouth County
Nova Scotia
Non-commercial
Non-poultry

Washington State University uploaded 10 sets of D1.1 Dairy seqs to GISAID with PB2 D701N collected in early 2025

UC Davis uploaded 69 sets of California seqs to GISAID collected between 2023-2025

Public Health Agency of Canada has uploaded 80 sets of H5N1 British Columbia seqs to GISAID
Nov/Dec 2025 collections
Largely D1.1
Closest to US Pacific Flyway D1.1 seqs

Location and collection date match
San Juan County WA
www.aphis.usda.gov/livestock-po...

NVSL uploaded 76 sets of H5N1 seqs to GISAID
Largely wild bird and poultry
w/ collection date and location
Largely D1.1
incl
A/raccoon/Washington/05425-001/2025 | 12/5/25
D1.1 w/ PB2 E627K

A/turkey/Washington/04434-001-v/2025 | 11/14/25
NS 938
A/Washington/2148/2025 | 11/10/25 2148 A/Ringed_Seal/NU/FAV-0410-3/2024 | 10/9/24
A/Ringed_Seal/NU/FAV-0410-2/2024 | 10/9/24 A/Northern_Fulmar/NU/FAV-0290-1/2024 | 10/4/24
937
A/northern_fulmar/Greenland/08238-1.01/2023

A/turkey/Washington/04434-001-v/2025 | 11/14/25 MP 982
A/Washington/2148/2025 | 11/10/25
981
A/Iceland gull/Iceland/2025AI03229/2025 | 3/7/25
A/Arctic fox/Iceland/2025AI03209/2025 | 1/25/25
A/Red_Kite/England/055216/2024 | 11/13/24
A/Barn_Owl/Scotland/014863/2025 | 2/19/25

A/turkey/Washington/04434-001-v/2025 | 11/14/25 NP 1497
A/Herring_Gull/NS/FAV-0188-10/2025 | 4/25/25
A/Ringed_Seal/NU/FAV-0410-2/2024 | 10/9/24
A/Herring_Gull/NS/FAV-0245-4/2024 | 4/5/24
A/Striped_Skunk/PEI/FAV-0130-1/2024 | 4/9/24
A/northern_fulmar/Greenland/08238-1.01/2023

A/turkey/Washington/04434-001-v/2025 | 11/14/25
PA 2151
2150
A/Washington/2148/2025 | 11/10/25
2148
A/Ringed_Seal/NU/FAV-0410-3/2024 | 10/9/24
A/Northern_Fulmar/NU/FAV-0290-1/2024 | 10/4/24
2147
A/Ringed_Seal/NU/FAV-0410-2/2024 | 10/9/24
2145
A/Herring_Gull/NL/FAV-0430-14/2023

A/turkey/Washington/04434-001-v/2025 | 11/14/25
PB1 2274
2273
A/Washington/2148/2025 | 11/10/25
A/Ringed_Seal/NU/FAV-0410-3/2024 | 10/9/24
A/Turkey/Iceland/2024AI05124/2024 | 12/3/24
A/northern_fulmar/Greenland/08238-1.01/2023
A/Sand_piper/Norway/2023-07-2521/2023 | 9/18/23

A/turkey/Washington/04434-001-v/2025 | 11/14/25
PB2 2280
A/Washington/2148/2025 | 11/10/25
2279
A/Ringed_Seal/NU/FAV-0410-3/2024 | 10/9/24
A/Northern_Fulmar/NU/FAV-0290-1/2024 | 10/3/24
A/Herring_Gull/NL/FAV-0430-14/2023 | 11/2/23
A/northern_fulmar/Greenland/08238-1.01/2023
2278

A/turkey/Washington/04434-001-v/2025 | 11/14/25
N5 1353
1352
A/Washington/2148/2025 | 11/10/25
A/Ringed_Seal/NU/FAV-0410-3/2024 | 10/9/24
A/Northern_Fulmar/NU/FAV-0290-1/2024 | 10/3/24
1351
A/Great_Black-Backed_Gull/NS/FAV-0188-9/2025 | 4/25/24

A/turkey/Washington/04434-001-v/2025 | 11/14/25
H5 1704
1703
A/Washington/2148/2025 | 11/10/25
1697
A/Ringed_Seal/NU/FAV-0410-3/2024 | 11/9/24
A/Ringed_Seal/NU/FAV-0410-2/2024 | 11/9/24
A/Northern_Fulmar/NU/FAV-0290-1/2024 | 10/3/24
A/American_Crow/QC/FAV-0132-1/2024 | 4/11/24

A/turkey/Washington/04434-001-v/2025 | 11/14/25
Likely from Grays Harbor backyard flock linked to
H5N5 human case
1 BP difference in H5 from
A/Washington/2148/2025 | 11/10/25
These two sets of seqs represent
Pacific Flyway version of H5N5 genotype 6

NVSL uploaded 223 sets of H5N1 seqs and 5 sets of H5N5 seqs to GISAID
4 of the H5N5 sets were a novel genotype from the midwest
1 was genotype A6
A/turkey/Washington/04434-001-v/2025 | 11/14/25
and was closely related to the human H5N5 seq
A/Washington/2148/2025 | 11/10/25

NVSL uploaded 54 more sets of H5N1 seqs to GISAID wild birds and poultry
includes location and collection dates