Abstract:

Objective Survey on ticks and host animals of severe fever with thrombocytopenia syndrome virus (SFTSV) in Huanggang, Hubei province, to provide basic data for the control and prevention of this vector-borne disease. Methods Ticks and animal serum samples were collected from affected areas from April to June in 2013, and SFTSV were detected by Real-time PCR. Results A total of 256 ticks were collected from grassland and livestock, after classification and identification, these collected ticks mostly were classified to 4 species, 4 genus, 1 family, Haemaphysalis longicornis was predominant species. The results of Real-time PCR of ticks, cattle and sheep serum samples showed that infection rates were 3.13%(8/256), 17.65% (3/17), and 12.50% (1/8), respectively. Conclusion Haemaphysalis longicornis was predominant species in Huanggang, the results of Real-time PCR indicated that the SFTS may transmitted by “host animals-to-ticks-to-human”, avoid tick biting is the key to prevent this disease.

Key words: Severe fever with thrombocytopenia syndrome virus, Tick, Host animals

摘要：

目的 调查湖北省黄冈市发热伴血小板减少综合征病毒（SFTSV）在传播媒介蜱及其宿主动物中的携带情况，为防控该疾病提供基础资料。方法 2013年4－6月，选择黄冈市已有2个发热伴血小板减少综合征（SFTS）疫情报告的行政村，采集疫区蜱及宿主动物牛、羊的血清样本，利用实时荧光PCR对蜱组织、牛、羊血清进行SFTSV核酸检测。结果 采集蜱1科4属4种共256只，优势种为长角血蜱；蜱组织及牛、羊血清SFTSV核酸阳性率分别为3.13%（8/256）、17.65%（3/17）和12.50%（1/8）。结论 黄冈市长角血蜱为优势种，蜱及家畜牛、羊均检测出SFTSV核酸阳性，推测SFTSV在自然界可能以“宿主动物→蜱→人”的形式进行传播，避免蜱叮咬是预防SFTS的关键措施。

关键词: 发热伴血小板减少综合征病毒, 蜱, 宿主动物