目的了解甲型流感病毒H9N2亚型毒株在深圳地区鸡群和人群中的分布。
Objective To understand the distribution of influenza a H9N2 virus in chickens and men in Shenzhen area.
采用分离培养和PCR对贵州阿哈湖沉积物中硫酸盐还原菌类群进行分析，并对分离纯化的一株硫酸盐还原菌进行鉴定。
Isolation culture and PCR were performed to analyze sulfate-reducing bacteria subgroups in the sediment of Lake Aha in Guizhou Province and a purified strain identified from the sample.
结果109株C群脑膜炎奈瑟菌菌株分为22个VNTR基因型，同一暴发来源的菌株具有相同VNTR特征；
Results 109 serogroup C meningococci isolates were divided into 22 VNTR genotypes. Identical types were distributed in the strains which associated with the same outbreaks.
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