浙江省天台县家养动物发热伴血小板减少综合征病毒感染状况及流行特征分析

doi:10.11853/j.issn.1003.8280.2025.01.014

摘要/Abstract

摘要： 目的了解浙江省天台县不同家养动物中发热伴血小板减少综合征（SFTS）病毒（SFTSV）感染状况及流行特征,为SFTS疫情防控提供依据。方法采集猪、牛、羊、鸡、鸭、鹅6种家养动物的血清样品,采用双抗原夹心法酶联免疫吸附试验检测SFTSV总抗体,采用多因素logistic回归模型分析各因素与SFTSV感染之间的关联特征。结果 2023年共采集6种动物血清标本2 439份,SFTSV总阳性率为17.51%（427/2 439）,牛、猪、羊、鸭、鹅、鸡的SFTSV感染率分别为35.05%（190/542）、25.34%（74/292）、16.80%（145/863）、4.17%（2/48）、3.33%（1/30）和2.26%（15/664）。多因素分析显示,病例>10例地区家养动物SFTSV总抗体阳性率（37.26%）较1～10例地区（13.29%）和0例报告地区（9.56%）高；山区组家养动物SFTSV抗体阳性率（30.57%）较城镇（14.33%）和街道（10.70%）高；牛的SFTSV抗体阳性率（35.05%）较羊（16.80%）和鸡（2.26%）高（均P<0.05）。结论浙江省天台县不同乡镇不同家养动物均存在SFTSV感染,但感染率不同,天台县应在重点地区SFTS流行的高峰季节前开展动物管理、防蜱灭蜱和个人防护宣传等综合防护措施。

关键词: 发热伴血小板减少综合征病毒, 流行特征, 双抗原夹心酶联免疫吸附试验

Abstract: Objective To investigate the infection status and epidemic characteristics of Severe fever with thrombocytopenia syndrome (SFTS) virus (SFTSV) in different domestic animals in Tiantai County, Zhejiang Province, China, so as to provide basis for SFTS prevention and control. Methods Serum samples were collected from pigs, cattle, sheep, chickens, ducks, and geese for double-antigen sandwich enzyme-linked immunosorbent assay of total SFTSV antibody. Multivariable logistic regression model was used to analyze the associations of SFTSV infection with the factors. Results In 2023, a total of 2 439 serum samples were collected from the six animal species, and the total positive rate was 17.51% (427/2 439). The infection rates of SFTSV in cattle, pigs, sheep, ducks, geese, and chickens were 35.05% (190/542), 25.34% (74/292), 16.80% (145/863), 4.17% (2/48), 3.33% (1/30), and 2.26% (15/664), respectively. Multivariable analysis showed that the positive rate of total SFTSV antibody in domestic animals in areas with more than 10 cases (37.26%) was higher than those in areas with 1-10 cases (13.29%) and 0 cases (9.56%), the positive rate of SFTSV antibody in mountain area (30.57%) was higher than those in towns (14.33%) and subdistricts (10.70%), and the positive rate of SFTSV antibody was higher in cattle (35.05%) than in sheep (16.80%) and in chickens (2.26%)(all P<0.05). Conclusions SFTSV infection was detected in different domestic animals and townships of Tiantai County in Zhejiang Province, but with various positive rates, suggesting that comprehensive measures such as animal management, tick control, and personal protection publicity can be implemented before peak season of SFTS in key areas in Tiantai County to effectively reduce the incidence of the disease.

Key words: Severe fever with thrombocytopenia syndrome virus, Epidemic characteristic, Double-antigen sandwich enzyme-linked immunosorbent assay

中图分类号:

R373

胡海燕, 陈喜凯, 葛君华, 孙继民, 庞天兰, 陈丁玲, 王璐韦, 陈宇胜. 浙江省天台县家养动物发热伴血小板减少综合征病毒感染状况及流行特征分析[J]. 中国媒介生物学及控制杂志, 2025, 36(1): 76-80.

HU Hai-yan, CHEN Xi-kai, GE Jun-hua, SUN Ji-min, PANG Tian-lan, CHEN Ding-ling, WANG Lu-wei, CHEN Yu-sheng. Analysis of infection status and epidemic characteristics of Severe fever with thrombocytopenia syndrome virus in domestic animals in Tiantai County, Zhejiang Province, China[J]. Chinese Journal of Vector Biology and Control, 2025, 36(1): 76-80.

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