Bird flu is spreading. The avian influenza virus H5N1 has been recorded around the world — in poultry, in wild birds and in mammals, including humans. So, should we be worried about a potential new ...

A new nasal spray vaccine could stop bird flu at the door — blocking infection, reducing spread, and helping head off the next pandemic.

Bird flu viruses are a particular threat to humans because they can replicate at temperatures higher than a typical fever, one of the body’s ways of stopping viruses in their tracks, according to new ...

PARIS, Nov 27 (Reuters) - The bird flu virus that has been spreading among wild birds, poultry and mammals could lead to a pandemic worse than COVID-19 if it mutates to transmit between humans, the ...