Norovirus, also known as the dreaded stomach flu, is surging across the United States as the country nears peak winter illness season. The highly contagious gastrointestinal bug, which causes ...
In the week of December 5, there were 91 outbreaks of norovirus reported, up from 69 the previous week. In the same period in recent years, there generally were 65 or less outbreaks per week.