Avian influenza virus from the ongoing outbreak in dairy cattle appears to be keeping its bird-infecting features rather than ...

The H5N1 avian flu is circulating in cows and other mammals. Whether it will make a permanent leap to humans is another ...

H5N1 avian influenza has long been a concerning virus. Since its discovery in 1996 in waterfowl, bird flu has occasionally ...

Studies suggest that people who had seasonal flus or vaccinations have low antibody levels against H5N1 bird flu.

The H5N1 bird flu virus has historically extracted a heavy toll when it infects humans, with nearly half of confirmed cases ...

Scientists trace the heritage of the H5N1 virus that decimated ... 136 dead eagles were confirmed to have avian influenza ...

The fatality rate for H5N1 highly pathogenic avian influenza in humans has historically been high, with more than half of ...

Influenza viruses like bird flu can mix and match their genomes, and this has played a role in at least three of the last ...

The US Centers for Disease Control and Prevention says it has ended its emergency response to H5N1 bird flu, citing a drop in cases. “As reports of animal infections with avian influenza A (H5N1 ...

To date, H5N1 bird flu has impacted at least 485 bird species and 48 mammal species worldwide. It is prevalent among marine mammals and seabirds that breed in large, tight-packed colonies, such as ...

Wild birds, especially ducks and geese, like these flying by a farm in Illinois, can spread H5N1 bird flu to poultry. Keeping the wild and domestic birds separate is a challenge.

Bird flu viruses are divided into two categories: low pathogenic avian influenza (LPAI) and highly pathogenic avian influenza ...