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目的:了解西宁地区儿童急性呼吸道感染鼻咽分泌物病毒抗原的构成。方法:抗原免疫荧光法进行检测。结果:RSV在34天～6个月组,阳性率最高为47.4%,7个月～2岁组FV-B阳性率最高(28.7%),2岁～3岁组RSV阳性率最高(34.6%),3岁～8组岁之间FV-B阳性率最高(12.2%)。结论:小儿在3岁之前病毒阳性率为79.5%,3岁之后病毒阳性率为28.3%。本地区小儿急性呼吸道病毒感染发病率高,并反复发生,病情严重度及病死率与低海拔地区有较大差异,常为威胁小儿生命的致命因素。
Objective: To understand the composition of virus antigen in nasopharyngeal secretions of children with acute respiratory infection in Xining area. Methods: Antigen immunofluorescence assay. Results: The positive rate of RSV in the group of 34 days to 6 months was 47.4%, the positive rate of FV-B was the highest in 7 months to 2 years (28.7%), the highest was RSV in 2 to 3 years (34.6% ). The positive rate of FV-B was the highest between the ages of 3 and 8 (12.2%). Conclusion: The positive rate of virus in children before the age of 3 was 79.5%, and the positive rate of virus in children after the age of 3 was 28.3%. The incidence of acute respiratory virus infection in children in this area is high and recurrent. The severity of illness and mortality are quite different from those in low altitude areas. It is often a deadly factor that threatens the life of children.