Health officials say the flu is now hitting hard in parts of the country, especially the South and Midwest.
(HealthDay)—The flu is starting to tighten its grip on much of the United States, particularly in the South and Midwest, U.S. health officials reported Thursday.
Vomiting, diarrhea and fever – that's what many people are experiencing this holiday season as the seasonal flu grips Chicago.
You may have heard that this year's flu shot is less effective than normal. That's a scary prospect heading into the heart of flu season. But what exactly does that mean? Why would vaccines vary in effectiveness ...