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在非稳定性疟区，疟疾常出现大面积暴发流行，并常有5－20年不等的周期性，暴发的原因与人群易感性增高、传染源增加人故接触机会频繁等因素有关“’。福建省自30年代至今出现3次大面积暴发流行，每次相隔17－18年。本文就福建疟疾大面积暴发流行与媒介按故种类关系进行分析探
In non-stable malaria endemic areas, malaria often appears in large-scale outbreaks and often has a periodicity ranging from 5 to 20 years. The reasons for such outbreaks are related to the increased susceptibility of the population and the increased exposure of people to infectious diseases. Fujian Province has witnessed three large-scale outbreaks since the 1930s, each separated by 17-18 years. In this paper, the epidemic of large-scale malaria in Fujian was analyzed according to the type of the disease