22，Adams WH. The changing ecology of murine (endemic) typhus in southern California. Am JTrop Med Hyg,1970,19∶311.
33，Williams SG. Typhus ans typhus-like rickettsiae associated with opossums and theirfleas in Los Angeles county, California. J Clin Microbiol,1992,30∶1758.
44，Sorvillo FJ. A suburb focus of endemic typhus in Los Angeles County:association withseropositive domestic cats and opossums. Am J Trop Med Hyg,1993,58∶269.
55，Dumler JS. Clinical and laboratory features of murine typhus in Texas,1980 through1987. JAMA, 1991,66∶1365.
66，Walker DH. Advance in understanding of typhus group rickettsial infecton. In KazarJ,Toman R, editors. Rickettsiae and rickettsialdisease. Bratislav, Slovak Republic: VEDAPress,1996,16.
77，Azad AF.Relationship to vector biology and epidemiology of ouse and fles-bornerickettsioses.In：Walker DH，editor.Biology of rickettsial diseases.Boca Raton（FL）：CRCPress,1988,52-62.
4Okabayashi T,Hasebe F, Samui KL, et al. Shout report prevalence of antibodies against spotted fever, murine typhus, and one Q fever rickttsiae in humans living in Zambia AMJ Trop Med Hyg,1999,61:70-72.
5Schiefer ME Sacci JB Jr, Taylor JP, et al. Murine typhus s updated roles of multiple urban components and one a second typhuslike rickettsia, J Med Entomol, 1994 : 31: 681- 685.
6Silpapojakul k,Chayakul P,Krisanapan S,et al Murine typhus in Thailand: clinicak features, diagnosis and tueatment, Puarterly Journal of Medicine; 1993 ; 86 : 43- 47.
