Norovirus infections may at first feel like a stomach ache, but the CDC warns symptoms can spread to other bodily functions. What you need to know.

Illness caused by norovirus typically starts suddenly, with symptoms developing 12 to 48 hours following exposure to the virus. Most people get better within one to three days and recover fully.

CNN: What exactly is norovirus? Dr. Leana Wen: Norovirus is the leading cause of foodborne illness in the US. According to the CDC, it is responsible for 19 million to 21 million illnesses every year.

“So far, the total number of norovirus outbreaks for the 2024–2025 seasonal year is above the range reported during the 2012–2020 and 2021–2024 seasonal years.” ...

CHICAGO (CBS) --Cases of norovirus, a highly contagious stomach bug, are surging in the Chicago area and nationwide, according to the U.S. Centers for Disease Control and Prevention. What does the ...

A common stomach bug is surging, according to new data from the US Centers for Disease Control and Prevention. In the week of December 5, there were 91 outbreaks of norovirus reported, up from 69 ...