Flu cases are high in California with respiratory virus season in full swing. About 20% of tests for influenza came back as positive in California for the week of Dec. 29 to Jan. 4, according to the ...

Seasonal flu tends to spike from December to February. People who become infected tend to get a sore throat, cough, runny ...

More Americans are getting infected with seasonal influenza and seeking care, a regular occurrence this time of year.

A flu vaccine is displayed at a pharmacy in New York ... of suffering were mostly in the northern Great Plains and in New ...

Influenza A — a nasty virus that fueled the 2009 flu epidemic — is landing increasing numbers of Ohioans in the hospital. In Cuyahoga County, influenza A, one of four types of flu viruses, is the ...

Seasonal flu activity is elevated across most of the country, according to the latest reports from the Centers for Disease ...

In terms of daily prevention, avoid close contact with people who are sick, cover your coughs and sneezes, wash your hands ...

“For example, if a human gets infected with a bird flu and also carries a human influenza A virus, these two viruses can ...

As the Centers for Disease Control and Prevention (CDC) explains, bird flu is a disease caused by the influenza A virus. At ...

The U.S. has developed a bird flu vaccine that can be prepared when needed. It’s not currently available because health ...

Some of the highest levels of influenza are now in Western states, several of which have already topped the peaks recorded during the worst of last winter's flu season. In Oregon, the CDC's data ...