Older adults with early influenza exposure may have antibodies that help fight bird flu, unlike younger individuals who may ...

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

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.

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

H1N1 influenza spreads through coughing, sneezing, or touching contaminated surfaces. You can avoid the influenza virus by ...