Norovirus outbreak refers to an occurrence of disease caused by the Norovirus, a highly infectious virus that leads to gastroenteritis, characterized by inflammation of the stomach and intestines. It is known for causing sudden onset of vomiting, diarrhea, stomach cramps, and nausea. Norovirus outbreaks are common in places where people are in close quarters, such as cruise ships, schools, daycare centers, and nursing homes. The virus is transmitted through contaminated food or water, surfaces, or direct contact with an infected person. Outbreaks can spread rapidly, leading to numerous cases within a short period. Prevention includes maintaining good hygiene practices, such as frequent handwashing and proper food handling.
A foodborne illness outbreak affected 29 people at the "Takaoka Comprehensive Catering Center" in Toyama, causing symptoms of nausea and vomiting. One individual required hospitalization, while others sought medical attention.…