1986～2005年招远市肾综合征出血热监测分析

目的]了解肾综合征出血热（HFRS）发病规律，指导防治工作开展。方法]对招远市1986～2005年HFRS疫情与监测资料进行分析。结果]1986～2005年合计发生HFRS病人440例，死亡31例。年均发病率3．86／10万，男性为5．78／io万，女性为1．92／10万（P〈0．01）；25～65岁发病率最高；病人中，农民、民工占80．86％；10月至次年1月发病数占总数的60．68％，3～6月发病数占总数的23．41％。平均鼠密度为3．14％，室内主要鼠种为小家鼠、褐家鼠，野外优势鼠种为大仓鼠、黑线姬鼠和小仓鼠；鼠带毒率为4．39％。结论]招远市近年来HFRS疫情呈下降趋势，但发病率仍较高。

Analysis on Surveillance Results of HFRS in Zhaoyuan City from 1986 to 2005

Objective]To explore the pattern of hemorrhagic fever with renal syndrome(HFRS) for the prevention and control of HFRS.Methods]Epidemiological data on HFRS in Zhaoyuan City from 1996 to 2005 were retrospectively analyzed.Results]The total cases of HFRS from 1986 to 2005 were 440,31 of them died.The annual average incidence rate was 3.86/100 000(male 5.78,female 1.92,P<0.01).The highest incidence rate was at the age during 25-65 years old,80.86% of them were peasants and migrant workers.60.68% of the patients suffered from the disease from October to the next January,while 23.41% of the patients occurred from March to June.The main indoor species of rats are Mus musculus and Rattus norvegicus,while outdoor's are Cricetulus tyiton,Apodemus agrarius and Cricetulus barabensis.The average density of rats was 3.14% and 4.39% of the rats were virus carriers.Conclusion]The incidence rate of HFRS in Zhaoyuan is still in high level,though declining in recent years.