H5N1 influenza is evolving rapidly, weakening the effectiveness of existing antibodies and increasing its potential threat to ...

Very few humans have gone up against bird flu. But we've all dealt with seasonal flu for years. Some of our immune systems ...

The recommendations were made following a meeting that included experts from the FDA, the Centers for Disease Control and Prevention, and the Department of Defense.

Prior exposures to specific types of seasonal influenza viruses promote cross-reactive immunity against the H5N1 avian ...

Older adults who were exposed to seasonal flu viruses that circulated prior to 1968 are more likely to have some protection ...

In a study published in the journal, Cell, Jing Chen, PhD, and colleagues at the Wuhan Institute of Virology, Wuhan, China, ...

In prior bird flu outbreaks, there’ve been several documented cases of feline-to-feline spread, but ingestion seems to be the ...

A newly identified bat influenza virus, H18N12, carries mutations that ... They are involved in viral attachment to host cell entry receptors, including major histocompatibility complex class ...

Early flu exposure helps immunity against H5N1 infection, with older adults having stronger antibody responses.

Previous exposures to older flu strains prime the immune system to produce antibodies against bird flu (H5N1).

Bird flu, or H5N1, is a highly infectious avian disease currently spreading through animal groups with cases in wild birds, ...