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鲁南滨湖地区微山县1986～1991年共发生疟疾41例,分布在16个乡镇的32个自然村。其中输入病例1986～1989年仅1例,1990～1991年5例;当地感染病例1986～1987年19例,1988～1989年未发现,1990～1991年5例;不明病例1986～1988年与1989～1991年分别为6例和5例。1989～1991年有病灶点11个,其中外源性灶点5个,内源性灶点1个,来源不明灶点5个。在调查的10个灶点中,活动或有潜在活动的灶点共7个。调查显示,当地疟疾灶点呈广泛散在,近年输入性病例有明显增加,当地感染病例也有回升趋势,多数灶点有传播或潜在传播存在,在当前情况下,不应放松对当地疟疾的监测。
There were 41 cases of malaria in Weishan County, Lunan Lake region in 1986-1991, which were distributed in 32 villages in 16 townships. Among them, only 1 case was imported from 1986 to 1989 and 5 cases from 1990 to 1991. There were 19 cases of local infection from 1986 to 1987, none from 1988 to 1989, 5 cases from 1990 to 1991, unknown cases from 1986 to 1988 and 1989 ~ 1991 were 6 cases and 5 cases. There were 11 lesions in 1989 ~ 1991, including 5 exogenous foci, 1 endogenous foci and 5 unidentified foci. Of the 10 investigated foci, there were 7 foci of activity or potential activity. The survey shows that local malaria foci are widely scattered. In recent years, there has been a marked increase in imported cases. Local cases of infection have also been on the rise. Most of the foci have transmission or potential spread. In the current circumstances, the monitoring of local malaria should not be loosen.