| epidemiology of rickettsial diseases. | rickettsial diseases have a diversity of epidemiologic characteristics reflective of the variety of ecologic situations in which the obligate intracellular bacteria are transmitted to humans. for the spotted fever group (sfg) rickettsiae, rickettsia typhi, r. tsutsugamushi, coxiella burnetii, and the human ehrlichial agent, humans are a dead-end host who plays no role in the maintenance of the organism in nature. all rickettsioses exist as zoonoses. moreover, all rickettsiae are found in infecte ... | 1991 | 1884775 |
| seroprevalence of rickettsial infection in commensal rodents and shrews trapped in the bangkok metropolitan area. | murine typhus and scrub typhus are important human rickettsial diseases in thailand. small mammals, including many species of rodents and shrews, serve as the reservoir host of rickettsial diseases. rickettsia typhi can be transmitted to humans by fleas causing murine typhus, while infection with orientia tsutsugamushi causing scrub typhus in humans is transmitted by chiggers. the prevalence of rickettsial infection depends on the geographic area. the seroprevalence of antibody to r. typhi and o ... | 2003 | 12924799 |