New research suggests that past exposure to seasonal flu viruses may help protect people from severe illness caused by the ...

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.

Bird flu spreads when infected respiratory droplets are inhaled by birds or animals. While lab-based texts like PCR are ...

Although the Food and Drug Administration (FDA) located H5N1 bird flu virus in samples of raw, or unpasteurized, milk in ...