方法在河南省信阳市二十里河村选择5个自然村作为观察点，采用寄生虫学和昆虫学方法进行调查，估算嗜人按蚊的媒介能量和临界叮人率。
Methods Parasitological and entomological methods were used in the investigation at 5 villages of Xinyang City , Henan Province .
二十里村