Keywords R. prowazakii;R. mooseri;typhus;quantitative real-time PCR;Rickettsia heilongjiangii;Rickettsia Jinghe strain;Rickettsia rickettsii;spotted fever;virulence;antigenicity;

• 普氏立克次体;莫氏立克次体;斑疹伤寒;实时定量PCR;立氏立克次体;黑龙江立克次体;立克次体精河株;毒力;抗原性;