These viruses are a common cause of sporadic cases of acute gastroenteritis as well as outbreaks of food poisoning and acute gastroenteritis, especially in elderly homes and schools.

• 诺沃克类病毒常会引致零星的急性肠胃炎个案,亦可于安老院舍及学校等地方造成大规模食物中毒或急性肠胃炎爆发。