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本文报告在现场应用Rogers等设计的疟疾间接红细胞凝集试验(IHA) ,试图借IHA滴度解释疟疾流行病学中的一些问题。本研究是在1968～1772年间进行的。Rogers等设计的疟疾IHA法系采用P.knowlesi作抗原,人O型红细胞作为载体细胞,以制备致敏红细胞悬液用于试验。滤纸血标本采自孟加拉国,埃塞俄比亚、海地和菲律宾等国有关地区的人群。当采血进行IHA试验时,同时取血片检查疟原虫。在IHA试验中,确定滴度在1:16以上者为阳性结果。其它的血清学指标包括血清阳性率(即滴度
This article reports the application of a malaria indirect hemagglutination test (IHA) designed by Rogers et al in the field, attempting to explain some of the malaria epidemiology issues with IHA titers. This study was carried out between 1968 and 1772. The malaria IHA system designed by Rogers et al. Used P.knowlesi as an antigen and human O-type erythrocytes as a carrier cell to prepare a sensitized erythrocyte suspension for testing. Filter paper Blood samples taken from Bangladesh, Ethiopia, Haiti and the Philippines, and other countries in the region. When blood sampling for IHA test, blood samples were taken to test the parasite. In the IHA test, a titer greater than 1:16 was positive. Other serological markers include seroprevalence (ie titer)