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 ...

Farm workers facing possible arrest would likely resist getting tested for bird flu should there be a resurgence this fall, ...

Bird flu was nearly everywhere in the U.S.—in chickens, cows, pet cats and even humans. Cases have gone down, but experts ...

For months, bird flu was seemingly everywhere in the U.S.: news headlines reported the highly pathogenic H5N1 avian influenza ...

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 ...

Decreased milk production, death, and early removal from a single herd of adult dairy cows infected with the H5N1 strain of ...

The H5N1 avian flu is circulating in cows and other mammals. Whether it will make a permanent leap to humans is another ...

File photo shows a dairy cow. Recently, dairy cattle in several states have tested positive for a strain of bird flu that has killed millions of birds and poultry in North America in recent years.

A bird flu outbreak in U.S. dairy cows has grown to affect more than two dozen herds in eight states, just weeks after the nation's largest egg producer found the virus in its chickens.

Milk from dairy cows in Texas and Kansas has reportedly tested positive for bird flu. The virus appears to be rampant among older cows in those states and New Mexico, affecting appetite and lactation.

H5N1 avian influenza has long been a concerning virus. Since its discovery in 1996 in waterfowl, bird flu has occasionally ...

The Biden administration on Wednesday said that it would begin requiring dairy cows moving across state lines to be tested for bird flu, which has been spreading in herds for months.