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在疟防工作中对全部发热病人进行血检,是疟疾监测工作的重要内容之一,也是发现疟疾现症病人、巩固灭疟成果和防止疟疾复烟的重要措施。为了提高镜检的速度,1982年对厚血膜镜检视野数进行了探讨。检查了凯里、荔波等13个县防疫站的发热病人中疟原虫阳性片751张,每张厚血膜片,先镜检10个视野(500×),如查到疟原虫的则不再继续看片,如为阴性,则顺序检查50、100、200个视野和全厚血膜(约1,000个视野),并以此作为统计依据。
Blood tests for all febrile patients in malaria prevention work are an important part of malaria surveillance. They are also important measures for finding out patients with malaria, consolidating achievements in malaria elimination and preventing malaria. In order to improve the speed of microscopic examination, the number of thick film microscopy field was explored in 1982. A total of 751 positive malaria parasites were found in feverish patients at 13 epidemic prevention stations in Kaili, Libo and other counties. Each thick blood film was examined first for 10 fields (500 ×). If no malaria parasites were detected Continue to see the film, if negative, then check the order of 50,100,200 fields and full thickness blood film (about 1,000 fields), and as a basis for statistics.