流行性出血热混合型疫区传染源种类及隐性感染调查分析

INVESTGATION ANALYSIS ON UNEXPRESSION INFECTION AND KINDS OF EPIDEMIC SOURCE OF MIXTURE TYPE EPIDEMIC AREA ABOUT EHF.

本文报告了莒南县混合型流行性出血热疫区传染源种类，结果表明：疫区的六个鼠种均带ＥＨＦ病毒。冬季野外鼠种带毒各年度平均为４．８％，春季室内鼠带毒各年度平均为８．９％，野外室内各主要宿主动物的带毒逐年增高，病人也明显增多，证明主要传染源带病毒的高低对该地区ＥＨＦ流行起重要作用。隐性感染调查证明，不同职业人群的隐性感染率差异有非常显著意义（Ｐ＜０．０１），以病人家庭成员为最高，从事临床诊疗工作的医务人员最低。

This artical reports kinds of epidemic source of EHF mixturetype epidemic area in Junan,the result shows:six sorts of mouse carry EHF virus increasingly every year and infected people are increasingly too.Average rate of field mice carrying virus in winter is 4 8%,and house mices is 8 9% in spring.It proves that mice carrying virus high and low is very importent for EHF epidemicing.Rate of difference professional group unexpression infected is obviously abnormal( P <0 01),which family members for patient is the highest,and medical workers is the lowest.