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目的分析四川省2007-2009年喜马拉雅旱獭鼠疫流行态势,为四川鼠疫防治提供科学依据。方法按照“全国鼠疫总体规划”和“四川省鼠疫监测方案”及实施细则进行调查。结果2007-2009年调查发现:每个年度均发生喜马拉雅旱獭动物鼠疫流行;发现染疫动物3种,包括喜马拉雅旱獭、牧犬和藏系绵羊;分离鼠疫菌25株,鼠疫间接血凝试验(IHA)阳性血清9份、旱獭血清最高滴度1∶10240,鼠疫反向血凝试验(RIHA)阳性28份、旱獭最高滴度1∶409600;发现蚤类4科10属11种,主要传播媒介为斧形盖蚤和谢氏山蚤。结论喜马拉雅旱獭动物鼠疫呈连续流行态势。
Objective To analyze the epidemic situation of plague in marmots of Himalayas from 2007 to 2009 in Sichuan province and provide a scientific basis for the prevention and control of plague in Sichuan Province. Methods The investigation was conducted in accordance with the “National Plague Plan” and the “Plague Surveillance Program in Sichuan Province” and its implementing rules. Results From 2007 to 2009, it was found that plague prevalence occurred in Himalayan marmot animals every year. Three species of infected animals were found, including Himalayan marmot, shepherd dog and Tibetan sheep. 25 strains of Yersinia pestis were isolated. The indirect hemagglutination test (IHA) ), The highest serum titer was 1:10240, the positive rate of RIHA was 28, and the highest titers of Marmota were 1:409600. The main vectors of fleas were 10 Ax-shaped cover flea and Xie Shan fleas. Conclusion Himalayan marmot animal plague showed a continuous epidemic trend.