普兰店地区家养动物新布尼亚病毒抗体流行病学特征分析

尹兴鑫; 李永刚; 辛永勤; 姜宗海; 王滨; 梁中; 侯贵春; 张恩远; 李尧夫; 王蔚

doi:10.11847/zgggws1121666

普兰店地区家养动物新布尼亚病毒抗体流行病学特征分析

Seroepidemiologic distribution for infection of severe fever with thrombocytopenia syndrome bunyavirus among domestic animals in Pulandian district of Dalian city, 2017

摘要

摘要:
目的了解辽宁省大连市普兰店地区家养动物（牛、羊、狗和鸡）中的新布尼亚病毒（SFTSV）感染率、流行情况。
方法采用双抗原夹心法酶联免疫吸附试验（ELISA）检测SFTSV-IgG抗体。
结果 2017年共采集家养动物血清样本346份，共计4种动物，SFTSV血清为52.89 %（183/346）：羊，牛，狗，鸡抗体阳性率分别为85.23 %，64.63 %，21.59 %和40.91 %。不同乡镇的羊和狗SFTSV感染存在统计学差异，狗和羊的SFTSV 血清阳性率在不同月龄时存在统计学差异。
结论 SFTSV的控制和预防策略应考虑改善家养动物的饲养环境，使用化学药品杀灭蜱虫控制蜱虫的数量。

Abstract:
Objective To examine infection prevalence of severe fever with thrombocytopenia syndrome virus (SFTSV) in domestic animals in Pulandian district of Dalian city, Liaoning province.
Methods We selected two townships with SFTSV infection cases reported between 2015 and 2017 as the survey sites. Then we collected blood samples from domestic animals at the two sites during 2017. Double antigen sandwich enzyme-linked immunosorbent assay (ELISA) was adopted to detect serum immunoglobulin G (IgG) antibody against SFTSV.
Results The overall positive rate of serum IgG antibody against SFTSV was 52.89% for 346 blood samples of domestic animals and the positive rate was 85.23% for 88 samples of sheep, 64.63% for 82 samples of cattle, 21.59% for 88 samples of dog, and 40.91% for 88 samples of chicken. There were significant differences in the positive rate of dog and sheep samples collected in different townships and from the dogs and sheeps at various month of age.
Conclusion Environment for poultry and livestock rearing should be improved and tick population needs to be controlled with insecticides for the prevention and control of SFTSV infection.

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