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本文探讨了永清县人群疟疾感染与供血的关系。在２４９例疟疾中，２４４例（９８．０％）为单采血浆还输血细胞（简称单采浆）供血者，５例（２．０％）为受血者。人群疟疾发病率与单采血浆率呈显著正相关，而与人群总供血率和供全血率无相关关系；不同年龄组人群疟疾发病率与该年龄组人群单采浆率呈显著正相关；病例对照调查结果表明，单采浆是疟疾发病的危险因素；单纯单采浆供血者疟疾发病率为３３．７％，既单采血浆又供全血者为１５．７６％，无供血史者为０．００１４％，单纯供全血者无人发病。对单采浆血站调查发现，在采血、离心分浆和血细胞还输过程中存在血液交叉污染环节，血站停业后疟疾疫情平息。认为永清县人群疟疾感染与单采浆有关。
This article explored the relationship between malaria infection and blood supply in Yongqing County. Among 249 cases of malaria, 244 (98.0%) were recipients of apheresis and blood transfusion, and 5 (2.0%) were recipients. There was a significant positive correlation between the incidence of malaria and the rate of plasma apheresis in the population, but not related to the total blood supply rate of the population and the rate of whole blood supply. The incidence of malaria in different age groups was positively correlated with the rate of the plasma apheresis rate in this age group. The case-control survey showed that plasma was a risk factor for malaria incidence. The incidence of malaria was 33.7% in single plasma apheresis patients, 15.76% in both apheresis and whole blood donors 0.0014%, simple for whole blood no one disease. The survey on the plasma collection site found that there was blood cross-contamination during blood collection, centrifugation and blood cell transfusion, and the malaria epidemic subsided after the blood was stopped. That the population of Yongqing malaria infection and apheresis related.