Article
[Genetic variation of the hemagglutinin and neuraminidase of influenza B viruses isolated in Ningbo during 2010-2012].
Zhonghua yu fang yi xue za zhi [Chinese journal of preventive medicine] - 1 Dec 2013
Hu Feng-jiao, Li Yong-dong, Jiao Su-li, Zhang Shu
Abstract excerpt
OBJECTIVE: To investigate the epidemiological characteristics of influenza B viruses and explore the genetic evolution characteristics of the hemagglutinin(HA) and neuraminidase(NA) genes of local isolated strains in Ningbo, Southeast China, during 2010 to 2012. METHODS: Respiratory specimens from 3440 cases of patients with influenza-like illness(ILI) during 2010 to 2012 were collected in for virus isolation....
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