New versions of the H5N1 virus are increasingly adept at spreading. Suggestions to either let it rip in poultry or vaccinate the birds could backfire.

An outbreak of bird flu in Brazil, the world's largest chicken exporter, has prompted countries to implement trade ...

Global health updates include countries implementing restrictions on Brazilian chicken imports due to bird flu, experimental ...

The CDC has ended its H5N1 bird flu emergency response, but experts urge continued vigilance as the virus remains a threat ...

Recent health news includes trade restrictions on Brazilian chicken due to bird flu, potential U.S. tariffs on ...

Both zoos shut their doors on May 13 after a tigress named Shakti tested positive for the H5N1 strain of avian influenza and ...

While H5N1 does not have high mortality rates in dairy cows, the infection causes decreases milk production and milk quality, ...

CDC ends emergency response to H5N1 bird flu, citing decline in cases. Surveillance and readiness to continue under CDC's influenza division.

The U.S. is having its worst year for measles spread in more than three decades, with a total of 1,288 cases nationally and ...

An outbreak of bird flu in Brazil, the world's largest chicken exporter, has prompted countries to implement trade restrictions to prevent the spread of the virus after Brazil confirmed its first case ...