莒南县1975～1998年肾综合征出血热监测资料分析

ANALYSIS OF THE MONITORING DATA OF HEMORRHAGIC FEVER WITH RENAL SYNDROME IN JUNAN COUNTY DURING 1975-1998

目的 了解莒南县１９７５ ～１９９８ 肾综合征出血热（ Ｈ Ｆ Ｒ Ｓ） 流行特征，为调整防治措施提供依据。方法 对莒南县肾综合征出血热的监测资料进行总结分析。结果 全县累计发病１４９７８ 例，年均发病率为６５ ．０９／１０ 万。１９８６ 年前发病集中在秋、冬季节，１９８８ 年后形成明显的春、冬季两个发病高峰。野外鼠密度为６ ．４９ ％ ，带毒率为２ ．６９ ％ ；室内鼠密度为４ ．６４ ％ ，带毒率为４ ．４９ ％ ；健康人群隐性感染率为３ ．２１ ％ 。结论 莒南县 Ｈ Ｆ Ｒ Ｓ 的流行特征出现变化，人群免疫水平较低，应加强预防措施。

ObjectiveTo study the epidemic characters of hemorrhagic fever with renal syndrome (HFRS) in Junan County during 1975-1998.MethodsTo summarize and analyse the data of the monitoring of HFRS.Results There were 14978 cases of HFRS in all in the county and the average morbidity each year was 65.09/10 5.HFRS attacked mainly in winters and falls before 1986,but the attack times were mainly springs and falls after 1988.The density of field mice was 6.49%,and 2.69% of them carried toxin.The density of indoor mice was 4.64% and 4.49% of them carried toxin.The latent infection rate of the healthy human groups was 3.21%.ConclusionThe epidemic characters of HFRS changed with time in Junan County.Human groups were found to have low immunocompetence and preventive measures should be strengthened among them.