Trouble Afoot: First U.S. H5N1 Bird Flu Case in Pigs Detected

The U.S. confirmed its first case of H5N1 bird flu in pigs on a backyard farm in Oregon, highlighting concerns over potential virus evolution in swine. The USDA has quarantined the farm and started nationwide bulk milk testing, even though the risk to pork supply remains low.

The U.S. Department of Agriculture has reported the first detection of H5N1 bird flu in swine within the country, located on a backyard farm in Oregon. This marks a significant event given pigs' susceptibility to infections from both bird and human flu viruses, raising concerns about potential viral evolution.

Despite the alarming discovery, the USDA assured the public that the risk to the nation's pork supply remains minimal. The pig flu case stemmed from wild birds, not poultry or dairy farms, emphasizing vigilance among pig farmers to monitor for additional infections, according to Tom Vilsack, Agriculture Secretary.

While the small farm setting of the pig infection might mitigate immediate commercial concerns, experts warn that any transmission among pigs could elevate the threat level. The case has prompted the USDA to expand its bird flu surveillance, including a new nationwide bulk milk testing initiative.

(With inputs from agencies.)