By most indications, the avian influenza outbreak that has washed over U.S. farms is at an ebb. Experts don’t seem hopeful, ...

H5N1 influenza is evolving rapidly, weakening the effectiveness of existing antibodies and increasing its potential threat to ...

It’s understood that weather can influence how diseases and viruses are spread, but could a windy spring in Texas mean bird ...

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

Kennedy Jr. downplayed concerns about H5N1 avian influenza in the U.S., raising alarm among public health and infectious ...

One of the ways it can spread to healthy poultry farms is by a single infected duck visiting a flock and shedding the virus ...

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

Existing flu antivirals may not work well against H5N1; avoiding raw milk and reducing dairy worker exposure may be the best ...

A three-year-and-six-month boy from northeast Cambodia's Kratie province has been confirmed for H5N1 human avian influenza, ...

A United Nations food agency warned that the continued spread of the H5N1 bird flu virus is an unprecedented food security ...

The health secretary has suggested allowing the virus to spread, so as to identify birds that may be immune. Such an ...

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