Norovirus, commonly known as the “stomach bug” or “winter vomiting disease,” causes acute gastroenteritis, or an inflammation ...

Norovirus, also known as the stomach bug, is spreading across the U.S. Here's what to know about the contagious virus and how ...

One in four Americans tested for a stomach bug have ultra-contagious norovirus, according to new data released by the CDC.

New CDC data indicates a rise in cases of norovirus, often colloquially referred to as "stomach flu." Test positivity has ...

The Public Health Agency of Canada is part of the federal health portfolio. Our activities focus on protecting against threats to public health, preventing and reducing diseases and injury, and ...