五华县基本灭疟后疟疾流行病学分析廖云开，孔祥钦，沈超华，何小强，曾梅湘五华县位于广东省东北部，５０年代曾是疟疾高发区，经多年的积极防治，７０年代已大幅下降。进入８０年代，随着改革开放发展，大量农村剩余劳动力的流动，引起本县疟疾病例的大量输入和局部流行... Epidemiological analysis of malaria after basic malaria elimination in Wuhua County Liao Yunkai, Kong Xiangqin, Shen Chaowei, He Xiaoqiang, Zeng Meixiang Wuhua County, located in the northeast of Guangdong Province, was a high incidence of malaria in the 1950s. After many years of active prevention and control, . Into the 80’s, with the development of reform and opening up, a large number of surplus rural labor force flows, causing a large number of imported malaria cases and local epidemic ...