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常山县解放后曾发生3次流脑大流行,流行周期为8～10年。1982年起省、地、县三级防疫站在常山开展流脑监测。现将1982～1991年流脑带菌调查及流行病学调查报告如下。带菌率及菌群分布1982～1991年在定点监测的健康人群中采集咽拭6177份,检出流脑菌2179株,总带菌率为35.28%。其中B 群最多占83.06%,其次为319群和1892群,分别为7.25%和5.04%。A 群占第5位,为1.29%。除1811群未检出外,其余10个群均有检出。319群的带菌率逐年下降,而1916群的带菌率
Changshan County has occurred after the liberation of three meningitis pandemic, the popular cycle of 8 to 10 years. Since 1982, provincial, prefectural and county epidemic prevention stations in Changshan carry out meningitis surveillance. Now 1982 ~ 1991 meningococcal infection investigation and epidemiological reports are as follows. Carriage rate and flora distribution In 1982 to 1991, 6,177 swallowing swallowing swabs were collected from healthy people who were sentinelly monitored. 2179 strains of meningitis were detected with a total carrier rate of 35.28%. B group accounted for a maximum of 83.06%, followed by 319 and 1892 groups, respectively 7.25% and 5.04%. A group of No. 5, 1.29%. Except 1811 groups were not detected, the remaining 10 groups were detected. The incidence of the 319 group decreased year by year while that of the 1916 group