Dr. Ashish K. Jha is dean of Brown University School of Public Health and a contributing Globe Opinion writer.

The H5N1 avian influenza virus is mutating to evade immune defenses in mammals following prior infection or vaccination.

In a conference call today, USDA Sec. Rollins said the agency is hyper-focused on poultry currently, but no vaccine is yet ...

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 ...

H7N9 — is detected in at a poultry farm; scientists learn that past human flu exposure may provide some immunity to H5N1.

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

Researchers from the University of Pennsylvania, USA, have found that previous exposure to certain seasonal influenza viruses ...

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

New computational modeling of avian influenza variants’ immunoprotein interactions – developed by a research team at the University of North Carolina at Charlotte – reveals the H5N1 influenza virus is ...

In two recent interviews on Fox News, HHS Secretary Robert F. Kennedy Jr. downplayed concerns about H5N1 avian influenza in ...

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