Yahoo News provides the latest updates on the spread of bird flu in the U.S., and its effect on rising egg prices and ...

Low vaccination rates may be contributing to the spread of flu, but data suggests the number of cases so far this season is ...

New Mexico, Texas and Nebraska are among the states with the highest number of people showing flu-like symptoms.

Arkansas is battling flu season, with the Arkansas Department of Health reporting 30 flu-related deaths.One of those deaths ...

The CDC classifies 32 states and Washington, D.C., as having “very high” flu activity levels and 11 states as having “high” ...

Levels of influenza nationwide are now at the highest they have been since the peak of the 2009 swine flu pandemic, according ...

The map of flu activity across the United States continues to darken, both figuratively and literally, as case numbers spike ...

NEW YORK (AP) — The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years.

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 ...

NEW YORK (Reuters) - The U.S. influenza rate is at or near its highest level in at least 15 years and is still on the rise, ...

Schools across the United States are closing temporarily due to surges of flu and other seasonal illnesses among students and ...

South Carolina is one of a handful of states with the highest number of flu cases in the United States, according to data ...