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1985年9月儋县发生一次由Ⅱ型登革病毒引起的登革热和登革出血热的爆发流行至1986年10月疫情巳由儋县波及本岛十县二市,患者97,557人,死亡261人。根据记载,国外登革热流行常为多型别的,为了解本岛这次登革热流行除Ⅱ型病毒外,其他型别是否也同时在流行中起作用。于1986年1月至10月登革热流行期间,取十县二市278例急性期病人
In September 1985, an outbreak of dengue fever and dengue haemorrhagic fever caused by dengue virus type Ⅱ occurred in Pixian County. As of October 1986, the epidemic spread to 97,557 people from 261 counties and two counties in Xijian County. There were 261 deaths. According to records, Dengue epidemic abroad often multi-type, in order to understand the dengue epidemic in addition to the type Ⅱ virus, the other types also play a role in the epidemic. During the epidemic of dengue fever from January to October 1986, 278 acute patients in two cities of ten counties were taken