诺瓦克和诺沃克类病毒又被称为"诺如病毒"。 感染的症状包括恶心、呕吐、腹泻及腹部绞痛. 潜伏期为12至48小时(平均为36小时),平常持续时间为12至60小时。 症状包括经常头痛,发烧 畏寒、myalgias. 最常用的疗法是输液疗法。
It is estimated that nearly 65% of nonbacterial gastroenteritis in the US is attributable to Norwalk and Norwalk-like viruses. Approximately 181,000 cases occur annually, with no known associated deaths. Norwalk and Norwalk-like viruses have been associated with outbreaks on cruise ships and in communities, camps, schools, institutions and families. Foods such as raw oysters, cake frosting and salads, as well as drinking water, have been implicated as a common source of viral infection in several outbreaks.
Norwalk and Norwalk-like viruses also are referred to as "noroviruses." infection symptoms include nausea, vomiting, diarrhea and abdominal cramps. The incubation period is between 12 and 48 hours (average of 36 hours, with usual duration of 12-60 hours. Symptoms experienced less often include headache, fever, chills and myalgias. Fluid replacement is the common therapy.
Transmission of Norwalk virus is through the fecal-oral cycle. Although food is an efficient means of transmitting these agents, Norwalk and Norwalk-like viruses can be transmitted via water and by person-to-person contact.
据估计,在美国近65%的非细菌性肠胃炎是因为诺瓦克和诺沃克类病毒引起的. 每年约有181,000例相关的死亡. 诺瓦克和诺沃克类病毒常在游船、社区、营地、学校、机关和家庭爆发。食品原料如牡蛎、蛋糕、沙拉,以及饮用水等都是病毒爆发的感染源。
诺瓦克和诺沃克类病毒又被称为"诺如病毒"。 感染的症状包括恶心、呕吐、腹泻及腹部绞痛. 潜伏期为12至48小时(平均为36小时),平常持续时间为12至60小时。 症状包括经常头痛,发烧 畏寒、myalgias. 最常用的疗法是输液疗法。
诺瓦克病毒的传染是通过粪口循环。诺瓦克和诺沃克类病毒可经水传播和人与人之间的接触传播,食品也是一个传播方式.
(翻译:刘锋)