Previous seasonal flu infections and vaccinations may protect us against infection from the highly pathogenic H5N1 bird flu outbreak.

Doctors say the case of a teen left in critical condition shows H5N1 "can cause severe human illness." Mutations in the virus are deepening concerns about the spread of H5N1.

You’ve probably been hearing a lot about bird flu lately.It’s killed millions of chickens, driving up the price of eggs. It’s ...

In coming years, the bird flu may cost billions of dollars more in expenses and losses. Worse, the outbreak poses the threat ...

So far, the H5N1 virus isn't transmitted between people — but the CDC has found a mutation in a human case "concerning." ...

The CDC is piloting a disease forecasting service called Insight Net. Could it be a game-changer for public health?

Arizona currently has no confirmed human cases of bird flu, although two Pinal County workers were exposed through infected ...