According to the US Centres for Disease Control and Prevention, the most common cause of gastroenteritis is norovirus, which causes symptoms such as diarrhoea, vomiting, nausea, stomach pain, and fever. Symptoms appear 12 to 48 hours after contact with the virus.
Norovirus causes around 19 to 21 million illnesses annually in the US, with the highest occurrence typically observed from November to April. | World News