Each year, seasonal flu sickens about 1 billion people worldwide and causes approximately 290,000 to 650,000 respiratory ...

At the viral chatter stage of an outbreak, pathogens are just starting to infect people in sporadic bursts. It's a sign that ...

Both swine and avian influenza are strains of influenza A. Just as swine flu strains tend to infect pigs, avian flu strains tend to infect birds. But the potential for influenza A viruses that ...

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

An international team of researchers led by Professor Huaijun Zhou from the UC Davis Department of Animal Science has created ...

We asked her if she’s ever seen one of these species fly before, when they wanted to, of course. Duck let out a nervous ...

Preventing and detecting bird flu infections among farmworkers is a key defense against a potential pandemic. Immigration raids and threats have undermined these efforts, researchers say.