Sick dairy cattle in two central U.S. states have tested positive for bird flu, federal officials reported.. As of Monday, the highly contagious pathogenic avian influenza virus (HPAI) had been ...

The variant of bird flu that killed a Louisiana resident has now been found in dairy cows. Until now, the human cases of bird flu traced to cattle have been mild, mostly eye infections.

Bird flu was suspected of impacting U.S. cattle after dairy cows were found to be experiencing "decreased lactation, low appetite and other symptoms," agencies said in a joint news release.

Until last week, all bird flu in dairy herds had been identified as the B3.13 variant, which was believed to have come from wild birds in late 2023 or early 2024.

Bird flu has been found in dairy cattle in nine states, leading to more tests for cows, milk and beef, but tests of dairy workers who might be exposed are not yet routine. Log In.

Bird Flu Spreads to Dairy Cows U.S. regulators confirmed that sick cattle in Texas, Kansas and possibly in New Mexico contracted avian influenza. They stressed that the nation’s milk supply is safe.

The outbreak of bird flu in U.S. dairy cows has now been confirmed in Minnesota and Iowa, bringing to 11 the total number of affected states, which have been encouraged to ramp up testing efforts ...

Bird flu cases have been reported in multiple herds of dairy cattle across several states. Here's what to know about Delaware cattle and milk prices.

Milk sampled from dairy cows in Kansas and Texas has tested positive for the H5N1 strain of bird flu, U.S. officials reported on Monday.

(Update: On May 22, a second person was infected with bird flu linked to dairy cows.) Scientists are continuing to study the virus and asses its risks. Subscribe to the Daily newsletter.

Bird flu is still spreading in dairy cattle. Scientists say the recent news of a second human case, detected in Michigan, underscores the need to stay vigilant. Accessibility links.