New versions of the H5N1 virus are increasingly adept at spreading. Suggestions to either let it rip in poultry or vaccinate the birds could backfire.

Global experts urge to prepare for possible new pandemic as new H5N1 bird flu outbreak spreads to dairy animals, human infections. Here's what to know ...

The shift reflects the current public health situation, marked by declines in human cases as well as animal detections.

Experts urge U.S. to prepare for possible new pandemic as H5N1 bird flu outbreak spreads with dairy animal and human cases. Here's what to know.

What is H5N1? Global experts warn about bird flu spread. What's happening in California?

Global experts urge to prepare for possible new pandemic as new H5N1 bird flu outbreak spreads to dairy animals, human infections. Here's what to know ...

Global experts urge to prepare for possible new pandemic as new H5N1 bird flu outbreak spreads to dairy animals, human infections. Here's what to know ...

A 36-year-old woman, admitted to intensive care, is the latest in a string of new infections in the last 10 days ...

In a major win for the nation's biosecurity efforts, Australia has been officially declared free from high pathogenicity ...

Cambodia's health ministry yesterday reported two more human H5N1 avian flu cases, part of a spike in cases in June, with six ...

Bullish on their success, the global public health enterprise turned to another threat: polio. Eliminating polio would ...