Some viruses mutate more rapidly than others. Learn more about why that is and what that means for your health.

Laura holds a Master's in Experimental Neuroscience and a Bachelor's in Biology from Imperial College London. Her areas of expertise include health, medicine, psychology, and neuroscience. Laura holds ...

According to BBC reporting, experts in the U.K. predict the country will have a severe flu season, too, based on an early ...

VIVIAN, LA - DECEMBER 12: With a temperature of 103.8, Asa Moore, 6, of Vivian, Louisiana is examined by John Messier, a physician's assistant, at the North Caddo Surgical and Medical Center for ...

Last year’s outbreaks were the largest in a decade, fueled by an emerging variant of the highly contagious, hard-to-kill ...

If you feel ill but your symptoms are only above the neck — a stuffy nose, a bit of a sore throat — you could just have a ...

The flu can also cause a general feeling of fatigue or malaise, Ray says, as well as gastrointestinal issues like diarrhea ...

A new type of seasonal flu virus is raising concerns among health officials as winter approaches. Here's what to know about ...

Q How many cruises have been affected by the Norwalk virus? A The virus has been confirmed as the cause of outbreaks of gastrointestinal illness on two cruise ships since late November; the U.S.

An uncommon tick-borne illness called Powassan virus is making headlines in New England right now because a newborn baby in Massachusetts is believed to have it. Here in Connecticut, the CDC says ...

Marburg virus disease has killed 11 people and sickened 25 others in Rwanda, which declared an outbreak on Sept. 27. Similar to Ebola, the rare but very severe illness can be fatal in up to 88% of ...