Experts say this is the worst flu season in the U.S. in more than a decade and cases are still trending up. Flu infections have reached the highest level since the winter of 2010 and 2011 when the ...

Flu hospitalizations and doctor visits are at a 15-year high. Why is this flu season so bad? Doctors discuss influenza trends ...

The US is dealing with an unusually intense influenza outbreak that has infected between 29 and 51 million people and ...

Total flu-related deaths in Arkansas for the current flu season rose by 17 last week, according to the Arkansas Department of Health’s weekly Viral Respiratory Diseases Report.

Bird flu cases are still rising in the U.S. as the virus continues to devastate poultry farms. More than 145 million chickens, ducks, turkeys and other fowl have been slaughtered across the United ...

Maps of bird flu cases show the spread of the virus across the United States. Most people infected with bird flu in the U.S. have had mild symptoms. Symptoms of H5N1 birth flu infection in humans ...