Norovirus, a gastrointestinal illness so severe it has earned the evocative sobriquets “winter vomiting disease” and “two-bucket disease,” inspired by the vomiting and diarrhea (often simultaneous!) ...

The norovirus can survive temperatures of up to 145 degrees Fahrenheit. Hand sanitizer alone can’t kill the disease. Washing your hands with soap and water is very important to prevent further spread.

Norovirus outbreaks in the U.S. spiked to 91 cases in early December, up from 69 in late November, far exceeding past seasonal averages. The highly contagious virus, spread through direct contact or ...