Analysis for epidemic characters and prevention and control effect of plague in dehong prefecture,Yunnan Province,1982 to 2010

Objective To analyze epidemic characters and prevention and control effect of plague and provide a science basis for establishing the strategies of plague prevention and control.Methods Data on animal and human plague epidemic and plague prevention and control in Dehong Prefecture were collected and analyzed using descriptive epidemiology,and plague control and prevention effects were evaluated.Results From 1982 to 2010,plague epidemic experienced 25 years/times,497 animal plague foci were confirmed,and 319 natural villages or units in 41 townships of 5 counties(cities) were involved.Human plague experienced 9 years/times and total number of human cases was 39(including 38 bubonic plague cases and 1 septicemic plague case).All cases recovered after appropriate treatment.No human plague case was reported after 2004 and no animal plague epidemic was reported after 2008.Conclusion Plague focus in Dehong Prefecture belongs to one of commensal rodent plague foci.Host and vector without hibernation live around household and wild fields and its activating territory is wider.Animal plague can occur whole year.Local people easily get plague infection for contacting rodent and flea.Plague surveillance and three report of epidemic situation should be seriously implemented.In those areas where plague easily occurs and the density for rodent and flea is higher,killing rodents and fleas and improving prevention and control measures will be effective strategies for preventing and control plague occurrence and epidemic.