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一、流行菌群根据28个市县的卫生防疫站和传染病医院7年来的调查,在流脑病人的脑脊液中共检出脑膜炎奈瑟氏菌831株,其中A群为805株,占96.87%;B群19株,占2.29%,C群3株,占0.36%,1916群1株,占0.12%,未定群3株,占0.36%,除1975年连云港市检出7株中有5株为B群,1株A群,1株未定群以外,其余各地的流行菌群年年均以A群为主。二、A群菌在人群中分布的调查结果1.不同流行期健康人群带A群菌的比较:徐州地区、沛县、南京、徐州、常州、泗洪、涟水、太仓、金湖、淮阴等卫生防疫站的调查
First, the prevalence of flora According to the investigation of epidemic prevention stations and infectious disease hospitals in 28 cities and counties in 7 years, 831 Neisseria meningitidis strains were detected in cerebrospinal fluid of meningococcal patients, of which 805 were A group, accounting for 96.87 19 strains, accounting for 2.36%, 3 strains of C group accounting for 0.36%, 1 case of 1916 group accounting for 0.12%, 3 strains undeclared, accounting for 0.36% of the total, among which 5 strains were detected in 7 strains in Lianyungang in 1975 Strain group B, a strain A group, an undetermined group, the rest of the endemic microbes in each group are mainly A group. Second, the distribution of A group of bacteria in the population survey results 1. Different prevalence of healthy people with A group of bacteria comparison: Xuzhou, Peixian, Nanjing, Xuzhou, Changzhou, Sihong, Lianshui, Taicang, Lake, Huaiyin Such as health and epidemic prevention station investigation