A dangerous bird flu, in other words, was suddenly circulating in mammals—mammals with which people have ongoing, extensive ...

If this occurs, H5N1 could potentially start spreading from human to human. Influenza viruses are covered with two lollipop-shaped proteins called hemagglutinin and neuraminidase, for which the ...

The heads of countless hemagglutinin proteins are arrayed on the surface portion of the virus along with another mushroom-shaped influenza protein: neuraminidase.

In this NEJM Outbreaks Update, Editor-in-Chief Eric Rubin and Deputy Editor Lindsey Baden are joined by veterinarian and virologist Yoshihiro Kawaoka to discuss avian influenza and its current ...

The United States is in the grip of an aggressive winter flu season, with the U.S. Centers for Disease Control and Prevention (CDC) having recently reported a surge in visits to doctors on a scale ...

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

The isolation of influenza virus 80 years ago in 1933 very quickly led to the development of the first generation of live-attenuated vaccines. The first inactivated influenza vaccine was ...

Hemagglutinin, or the HA protein ... Help may also come from antibodies aimed at the other dominant protein on the surface of ...