Noroviruses are "believed to be one of the most common causes of foodborne illness in the United States," according to the Massachusetts Department of Public Health. What is the situation with ...
Norovirus may be hitting Canadians harder this time of year with reported cases rising above previous averages, according to the Public Health Agency of Canada.
Outbreaks of the stomach flu are spreading across the U.S and are far higher than average for December over the past 12 years, according to CDC figures.