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.

Highly pathogenic avian influenza continues to devastate poultry flocks throughout the United States, as well as cause ...

Since 2021, experts have seen bird flu — also called H5N1 influenza or highly pathogenic avian influenza (HPAI) — spreading "fairly quickly" across the wild and domestic bird populations and, now, ...

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