为了解不同地理位置的班氏微丝蚴周期性有否差别,1979～1980年在东经113°03′50″、北纬25°11′30″的粤北乐昌县梅花区进行了观察。 方法 在当地蚊媒感染高峰的6月下旬,对15～66岁的男性微丝蚴血症者,每2h从耳垂采血60μl,制成厚血膜平放待干,次日染色镜检。血片经2人镜检,结果不符或微丝蚴数差别超过2条者进行复检。所得 In order to understand the periodicity of Bancroftian microfilaria in different geographical locations, we observed the plum blossom area of ​​Yuechang County, Yuebei County, east longitude 113 ° 03’50 “and latitude 25 ° 11’30” north latitude from 1979 to 1980. Methods At the peak of local mosquito infection in late June, 15 ~ 66-year-old men with microfilaremia, every 2h from the earlobe blood 60μl, made of thick film to be placed flat to be dry, the next day staining microscopy. Blood film by 2 microscopic examination, the results do not match or microfilaria number more than 2 re-examination. Income