Researchers have identified antibodies that could lead to a broadly protective norovirus vaccine and new treatment options.

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

Medically reviewed by Patricia Mikula, PharmD The majority of children and adults who receive the hepatitis B (hep B) virus ...

An immune system defect makes affected individuals vulnerable to severe viral diseases such as influenza or COVID-19. It is caused by the body's own antibodies, which inhibit important defense ...

Vimkunya is now available in the US for the prevention of disease caused by chikungunya virus in individuals 12 years of age and older.

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

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

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