Avian influenza has spread far beyond the nation's birds, infecting all manner of creatures from zoo animals, wild mammals, ...

The CDC has confirmed a total of 66 human cases of bird flu across the United States as of Friday, although the number is ...

But while the current risk from our fuzzy feline friends is considered very low, public health officials nonetheless have ...

The virus in the first severe human bird flu case in the U.S. was found to have mutated. Newsweek's live blog is closed.

At least 65 human cases of H5 bird flu have been confirmed this year, with the majority being detected in California.

At least 61 people in the US have contracted bird flu amid outbreaks in poultry and dairy cows. What are the symptoms? What ...

The LA County Department of Public Health confirmed the first human case of bird flu in the county, just days after Gov.

California declared a state of emergency after dozens of cases were reported there since April. But the CDC says the risk to ...

The Centers for Disease Control and Prevention said Thursday that a single severe case of bird flu detected in a Louisiana man shows a rare mutation of the virus.

The H5N1 bird-flu virus has been found in new dairy-cattle herds in Southern California. No human-to-human spread has been ...

Related: Can we prevent a bird flu pandemic in humans ... but distinct from the type detected in dairy cows and some poultry outbreaks. Though sporadic human infections continue to emerge ...

Avian flu outbreaks and increased demand during the holiday season are being blamed for high egg prices in Massachusetts ...