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目的：调查单采浆是否为疟疾感染的危险因素。方法：采用IFAT法检测疟疾与非疟疾对照血清。结果：疟疾患者IFA阳性率为62．05％，抗体阳性者GMRT为40．27；非疟疾病人IFA阳性率为5．32％，抗体阳性者GMRT为26．11。无论疟疾还是非疟疾对照，男女抗体阳性率无统计学差异。不同年龄人群阳性率以18－49岁组为高。进一步分析，单采浆供血者疟疾！FA阳性率为64．08％，受血者及其他人群疟疾分别为52．63％和40．00％；非疟疾中的单采浆供血者为16．n％，未成年人、受血者和供全血者未发现抗体阳性者，其他成人阳性率仅为1．08％。结论：单采浆是疟疾感染的危险因素，同时证明该地蚊传疟疾已经中断。病后投药和血标本采集早迟，是影响疟疾IFA阳性率的因素。
Purpose: To investigate whether single plasma is a risk factor for malaria infection. Methods: IFAT was used to detect malaria and non-malaria control sera. Results: The positive rate of IFA was 62.05% in malaria patients and 40.27 in those with positive antibody. The positive rate of IFA in non-malaria patients was 5.32%, and the antibody positive GMRT was 26.11. No malaria or non-malaria control, male and female antibody positive rate was no significant difference. The positive rates of different age groups were higher in the 18-49 age group. Further analysis, single plasma blood donor malaria! The positive rate of FA was 64.08%, malaria in recipients and others were 52.63% and 40.00% respectively, and those in non-malaria were 16. n%, minors, recipients and for the whole blood were found no antibody positive, the positive rate of other adults was only 1.08%. Conclusion: Single plasma is a risk factor for malaria infection, and at the same time, it has been proved that mosquito malaria has been discontinued in this area. Post-disease administration and collection of blood samples early, is the impact of IFA positive rate of malaria factors.