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诺如病毒(NV)原名诺瓦克病毒,属杯状病毒科,诺如病毒属。传染性强,易在公共场所引起暴发流行,使公众恐慌,造成突发公共卫生事件。NV也是散发性非细菌性胃肠炎的重要病原体。由于NV感染健康成人后临床预后良好,2～3d可自愈,较少引起重视,但在儿童、老年人和患有基础性疾病的成人中可引起较重症状或导致并发症。最新的研究表明,NV感染老年人后,排毒期和病程均会延长,同时产生多种并发症,危及患者生命。现对目前NV及老年NV胃肠炎研究进行综述,为临床深入研究提供依据。
Norovirus (NV) formerly known as Norwalk virus, is a Division of Caliciviridae, Norovirus. High contagious, easy to cause outbreak in public places, panic, causing public health emergencies. NV is also an important pathogen of sporadic non-bacterial gastroenteritis. Since NV infects healthy adults with a good clinical outcome, 2 to 3 years can be self-healing and less important, but can cause severe symptoms or complications in children, the elderly, and adults with underlying disease. Recent studies have shown that, NV infection in the elderly, detoxification and duration will be extended, with a variety of complications, endangering the lives of patients. Now NV and elderly NV gastroenteritis research review for clinical in-depth study provide the basis.