Epidemical analysis of plague in Qinghai from 2006-2010

OBJECTIVE To explore the plague epidemical trend of the nearly 5 years in Qinghai province to provide basis for making the prevention and control measures.METHODS The materials of the human plague,plague monitoring and the plague foci survey in Qinghai from 2006 to 2010 were analyzed with the Excel software.RESULTS 57 strains of Yersinia pestis were isolated from the infected animals and insects in Qinghai from the recent 5 years.The Yersinia pestis was mainly distributed in Wulan,Tianjun,Ge'ermu,with a total of 39 strains,which were along the Qinghai-Xinzang railway.Another 12 strains were distributed in Yushu,Zhiduo and Chenduo.The rest 6 strains were distributed in Xinhai.Human plague was occurred every year from 2006 to 2010.In the 5 years,there were 13 plague cases and 3 of these cases died,the mortality was 23.07%.CONCLUSION The plague epidemic situation in Qinghai province is still severe,the animal plague occurs yearly,the human plague outbreaks occasionally.So as to reduce the plague occurrence,the plague monitoring and early warning in the key areas should be strengthened,and the comprehensive measures for plague prevention and control should be carried out.