Norovirus Cases Rise in the U.S. The virus, which leads to nausea and vomiting, is spreading. Here’s how to stay safe >>> https://www.nytimes.com/2024/02/29/well/live/norovirus-symptoms-treatment.html <<< Norovirus is extremely contagious. Anyone who has had it can tell you, extremely unpleasant (can cause nausea, stomach pain and diarrhea)