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.

The global health sector remains abuzz with developments, as Brazil's battle against bird flu sees several countries imposing restrictions on its chicken exports. The world's largest chicken exporter, ...

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

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

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

An outbreak of bird flu in Brazilthe worlds largest chicken exporterhas led to widespread trade restrictions as nations move ...

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

The CDC ends its emergency response to H5N1 bird flu after recording 70 human cases and one death nationally, even as experts ...

Doctors and researchers said the moves will make it harder to detect potentially dangerous changes. If the virus continues to ...

Tens of thousands of birds were affected by Avian Influenza in central Pennsylvania after the Centers for Disease Control and Prevention announced Tuesday that ...