News
Oregon logs its first H5N1 case in cows; farmers' union says human avian flu cases underreported in Washington
Phys.org ·
The Brief
- USDA's Animal and Plant Health Inspection Service (APHIS) announced the first detection of H5N1 avian flu in a dairy herd in Oregon.
- The announcement came earlier in the week of the source article, which is dated 2026-11-13.
- A farmers' union says human avian flu cases are underreported in Washington.
Why it matters
Detection of H5N1 in dairy cattle in a new state suggests the virus continues to spread through U.S. herds, which matters for animal health surveillance and for assessing risk to farm workers and the public.
Who’s affected
- dairy farmers and veterinarians
- public health officials
- anyone tracking avian influenza in the United States
- #h5n1
- #avian flu
- #dairy cattle
- #animal health
- #oregon
Earlier this week, the U.S. Department of Agriculture's Animal and Plant Health Inspection Service (USDA's APHIS) announced the first detection of H5N1 avian flu in a dairy herd in Oregon.