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Norovirus is highly contagious and can cause severe vomiting and diarrhea.
诺如病毒为高传染性病毒，可导致严重腹泻和呕吐。
Nearly 1 in 15 people in the U.S. gets sick from norovirus each year and up to 800 die.
每年近十五分之一的美国民众感染诺如，死亡人数达800人。
The virus is usually transmitted from person-to-person or through contaminated food.
感染方式通常为人传人或食用不洁食物。
Norovirus is the leading cause of disease outbreaks from contaminated food.
诺如也是引发不洁食物大爆发的主因。
To help prevent norovirus outbreaks, wash your hands often with soap and water for at least 20 seconds and thoroughly clean surfaces.
为了避免诺如爆发，请用肥皂和清水洗手，时间至少为20秒。
Also, if you are vomiting or have diarrhea, don't prepare food for others for at least 48 hours after your symptoms are gone.
若发生腹泻或呕吐，在症状消除之前，48小时之内不要为他人准备食物。
译文属可可英语原创，未经允许，不得转载。
