Centers for Disease Control and Prevention, Atlanta, Georgia 30333, USA.
Emerg Infect Dis. 2011 Aug;17(8):1389-95. doi: 10.3201/eid1708.101837.
CaliciNet, the outbreak surveillance network for noroviruses in the United States, was launched in March 2009. As of January 2011, twenty state and local health laboratories had been certified to submit norovirus sequences and epidemiologic outbreak data to CaliciNet. During the network's first year, 552 outbreaks were submitted to CaliciNet, of which 78 (14%) were associated with foodborne transmission. A total of 395 (72%) outbreaks were typed as GII.4, of which 298 (75%) belonged to a new variant, GII.4 New Orleans, which first emerged in October 2009. Analysis of the complete capsid and P2 region sequences confirmed that GII.4 New Orleans is distinct from previous GII.4 variants, including GII.4 Minerva (2006b).
CaliciNet，美国的诺如病毒爆发监测网络，于 2009 年 3 月启动。截至 2011 年 1 月，已有 20 个州和地方卫生实验室获得认证，可以向 CaliciNet 提交诺如病毒序列和流行病学爆发数据。在网络的第一年，有 552 起爆发事件提交给了 CaliciNet，其中 78 起（14%）与食源性传播有关。共有 395 起（72%）爆发事件被分型为 GII.4，其中 298 起（75%）属于一种新的变异株，即 GII.4 新奥尔良，它于 2009 年 10 月首次出现。对完整衣壳和 P2 区序列的分析证实，GII.4 新奥尔良与之前的 GII.4 变异株不同，包括 GII.4 米纳瓦（2006b）。
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