Cases of a wretched stomach bug are surging in parts of the United States this winter, according to government data. The most recent numbers from the Centers for Disease Control and Prevention show there were 91 outbreaks of norovirus reported during the week of Dec. 5, up from 69 outbreaks the last week of November.https://www.wtsp.com/article/news/nation-world/norovirus-back-full-force-cases-surge/507-836c1277-ed62-4887-9400-e8e9493c7227 Numbers from the past few years show a maximum of 65 outbreaks reported during that first week of December. A norovirus infection is characterized by sudden vomiting and diarrhea. Outbreaks are often seen on cruise ships, in congregate living situations like nursing homes and jails, as well as schools and other places where people are close together. MORE: https://www.wtsp.com/article/news/nation-world/norovirus-back-full-force-cases-surge/507-836c1277-ed62-4887-9400-e8e9493c7227