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目的调查病例感染途径,了解病例居住地流行情况,为湖南省制定发热伴血小板减少综合征防控对策提供依据。方法现场流行病学调查和血清流行病学调查方法。结果患者发病前有可疑蜱叮咬史;病例居住地居民、牛、羊IgG抗体阳性率分别6.9%、66.7%和100.0%;所捉蜱核酸检测阴性;病例搜索未发现其他病例。结论湖南省局部地区存在发热伴血小板减少综合征流行,应加大监测和防控力度。
Objective To investigate the pathways of caseinfection and understand the prevalence of cases inhabitation, so as to provide basis for the prevention and control measures of fever and thrombocytopenia in Hunan Province. Methods Epidemiological survey and serological epidemiological survey methods. Results There was a history of suspicious tick bites before the onset of the disease. The positive rates of IgG antibodies in resident, cattle and sheep cases were 6.9%, 66.7% and 100.0%, respectively. The detection of nucleic acids in ticks was negative. No other cases were found. Conclusions There is a prevalence of fever with thrombocytopenia syndrome in some areas in Hunan Province, so monitoring and prevention and control should be strengthened.