Norwalk virus antigen was detected by rt-pcr .

采用rt-pcr检测诺瓦克病毒抗原。

Carol : where in norwalk is that ?

卡罗：那是在诺沃克的什么地方？

Conclusion healthy norwalk virus carriers were present in school canteen workers in meixian and could be the hidden risk of norwalk virus gastroenteritis outbreak .

结论梅县学校食堂厨工存在诺瓦克病毒健康携带者,学校有爆发诺瓦克病毒胃肠炎的潜在危险。

According to reports , norwalk virus can infect people of all ages , the incubation period of 24 hours to 48 hours .

据介绍，诺瓦克病毒可以感染各个年龄段人群，潜伏期为24小时至48小时。

This article introduces the research progress of norwalk viruses , including the pathogeny , epidemiology and prevention countermeasures .

本文对诺瓦克病毒的病原学、流行病学及防治对策等方面的进展作一介绍。