Older adults who were exposed to seasonal flu viruses that circulated prior to 1968 are more likely to have some protection against H5N1, and children would benefit more from H5N1 vaccines.

A new H5N1 bird flu mutation has appeared in a cluster of infected dairy cows. It's a genetic change that scientists say could not only make the virus more lethal, but increase its spread between ...

Frequent mutations of SARS-CoV-2 have reduced the effectiveness of vaccines, highlighting the need for mutation-resistant ...

Bird flu, or H5N1 avian influenza, has been circulating across North America since 2022, infecting birds, livestock, wildlife ...

Scientists are sounding the alarm about a concerning genetic mutation of the H5N1 bird flu virus, recently identified in four ...

Single Mutation in H5N1 Influenza Surface Protein ... surface of the highly pathogenic avian influenza (HPAI) H5N1 influenza virus currently circulating ...

“As oseltamivir is the most widely used therapeutic and prophylactic against IAV, the continued circulation of viruses ...

Robert F. Kennedy Jr. addressed the worsening avian flu crisis, saying vaccinating birds turns them into “mutation factories.