Food Safety and Sanitation Program: Norovirus - Describes the group of viruses that cause gastrointestinal illness with an emphasis on preventing the spread of Norovirus in food preparation environments.
Norovirus Q&A - Information about the group of viruses that cause "stomach flu," or gastroenteritis, in people. Includes symptoms of illness caused by Norovirus infection, how it spreads, and prevention tips.
NZFSA: Norovirus - FAQs about the noroviruses which can cause severe stomach upsets including gastroenteritis through contaminated food.
U.S. CDC: Norovirus - Information about the viral group that causes acute gastroenteritis in humans, with basic and technical information, norovirus issues in food preparation, and norovirus infections in health care facilities.