While current flu shots need to be updated each season, scientists are finding new ways to make vaccine that could last much longer and cover more strains.

Currently, Australia is the only continent in the world still free from the highly contagious H5 bird flu. But that status ...

Add Yahoo as a preferred source to see more of our stories on Google. A new flu variant known as subclade K is on the rise across the country. Although a spike in this particular strain of influenza, ...

More than four out of every five dead black vultures examined by University of Georgia researchers tested positive for highly pathogenic avian influenza, according to a new study published in ...