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

The flu's impact has been felt nationwide ... It is important to note that the CDC's map monitors visits to the doctor for ILI symptoms such as a fever, cough or sore throat and do not necessarily ...

Flu activity spiked in states across the U.S. during the last week of November, according to a new report from the Centers for Disease Control and Prevention (CDC).

Flu season continues to persist in Massachusetts There have been 48,000 cases of the flu in the Bay State since October, according to a report from Axios Boston In Massachusetts, there were 382 ...