U.S. agriculture officials have portrayed the outbreak of avian influenza in U.S. dairy cows as a contained problem, affecting just 16 dairy herds in a handful of states.But since the U.S. Department of Agriculture announced the positive tests on March 25,

The World Health Organization’s chief scientist warned bird flu may evolve and transmit from human to human after an outbreak among cattle and goats in the U.S. led to the infection of a Texas man.

Health officials in 18 states have placed restrictions on cattle movement, two weeks after a Texas dairy farmer tested positive to bird flu.

Annual watchlist raises concern for native chicken, duck, geese and turkey populations as well as rare pig breeds

An outbreak of bird flu detected in U.S. dairy cows has spread to at least two dozen herds in eight states, weeks after the largest producer of eggs in the country detected the virus in chickens. Health officials continue to stress that the risk to the public is low and that