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用单扩溶血试验(SRH)检测了海南岛崖县和陵水县人群血清标本中的D_1、D_2、D_3、JE、WN和Chik抗体。登革热流行区内,2岁以上人群血清标本1,369份,27％有D_3、15％有D_3和D_1、3％有JE抗体反应,1981年出生幼儿血清标本177份,D_3和(或)D_1阳性12份;未发现D_2、WN、Chik病毒传播的血清学证据。非登革热流行区内,333份标本,上述6种抗体反应均阴性。流行区人群的D_3抗体反应率,19岁以下青少年高于20岁以上成年人,成年女性高于成年男性。上述结果表明:除D_3、JE外,是否有D_1病毒传播值得研究,1980年后登革病毒传播似未完全终止;引起该次流行的传染源属输入的可能性大。
D_1, D_2, D_3, JE, WN and Chik antibodies in serum samples from the individuals in the islands of Yaqian County and Lingshui County of Hainan Island were detected by single-spike hemolysis test (SRH). In the dengue endemic area, there were 1,369 serum samples of people over the age of 2, 27% had D_3, 15% had D_3 and D_1, 3% had JE antibody reaction, 177 infant serum samples born in 1981, D_3 and / or D_1 positive 12 No serological evidence of D_2, WN, Chik virus transmission was found. In non-dengue endemic areas, 333 samples were negative for the above 6 antibodies. The prevalence of D_3 antibody population response rate in young people under 19 years of age is higher than 20 years of age adults, adult women than adult men. The above results show that, in addition to D_3, JE, whether there is a D_1 virus transmission worthy of study, dengue virus transmission seems to have not completely stopped after 1980; causing the epidemic of the source of infection is highly likely.