
Winter vomiting disease cases surging in US: Symptoms, how to avoid it
Key Points:
- Norovirus cases, known as “winter vomiting disease,” are rising across the U.S. with a surge starting in mid-October, earlier than the usual peak season from December to April.
- CDC wastewater tracking highlights outbreaks in Indiana, Louisiana, and Michigan, with heavier concentrations in Alabama, California, Florida, and Texas.
- The GII.17 variant of norovirus, responsible for about 75% of outbreaks, is particularly concerning due to its high transmission and ability to infect people multiple times.
- Norovirus spreads through direct contact, contaminated food or surfaces, and can be contagious for two weeks or more after symptoms subside.
- Symptoms include diarrhea, vomiting, nausea, and stomach pain, with dehydration being the











