Health officials have announced six more H5N1 bird flu infections in humans: five in California and the first known case in ...

In 2009, H1N1 bird flu caused the first global flu pandemic in 40 years, with the first infections detected in California.

H5N1 bird flu raises alarm as human cases emerge in California and Oregon. Discover the implications and ongoing health ...

Hospitals had been asked to conduct extra surveillance for possible avian flu cases in the spring and summer after highly ...

Avian influenza H5N1 infection in humans has spread to seven U.S. states, growing from 46 cases last week to 52 cases this week.

As of Wednesday, 492 dairy herds across 15 states had been infected with H5N1. More than half, 278, are in California. Two ...

As an outbreak of the avian flu continues to wreak havoc on California agriculture, the number of infected animals and ...

The child from Alameda County, California, was suffering mild upper respiratory symptoms before testing positive, state ...

The presentation, so brief as to be little more than a public service announcement, signals an abandonment of efforts to ...

There is an inherent conflict of interest – and the potential for injury to public health – when a federal department both ...