- A concerning development: H5N1 bird flu has infected a pig in Oregon, officials say Los Angeles Times
- USDA announces first H5N1 avian flu detection in US pigs University of Minnesota Twin Cities
- Backyard pig in central Oregon contracts bird flu, first known transmission to pig in U.S. OregonLive
- 2 more outbreaks of highly pathogenic avian influenza detected in Oregon Statesman Journal
- H5N1 bird flu found in a pig in the U.S. for the first time NBC News