Results: Indirect hemagglutination test is still regarded as a effective serological method of backward diagnosis of plague and is the most public method in our country,but is has some shortages.

• 结果:间接血凝试验仍是国内外一致公认鼠疫追溯诊断的有效方法,也是我国应用最为广泛的一种血清学诊断方法,但是它还存在一些待于解决的问题。