"Rising Norovirus Cases in US Northeast, According to CDC Data"

Norovirus cases are increasing in the U.S., particularly in the Northeast, with over 12% of tests coming back positive for the virus, according to CDC data. The virus, which causes gastrointestinal symptoms, is most common in crowded environments and can spread through direct contact, contaminated food or surfaces. Symptoms include diarrhea, vomiting, nausea, and stomach pain, and there is no specific treatment. Prevention measures include handwashing, rinsing fruits and vegetables, and thorough cooking of shellfish. The FDA has issued warnings about norovirus contamination in certain oysters, and a sushi restaurant in North Carolina was linked to over 200 suspected cases of the virus in December.