opossums and cat fleas: new insights in the ecology of murine typhus in galveston, texas.murine typhus is an acute undifferentiated febrile illness caused by rickettsia typhi the classic reservoir (rattus spp.) and flea vector (xenopsylla cheopis) were once culprits of murine typhus in the united states. vector and rodent control efforts have drastically decreased the prevalence of disease, except in a few endemic foci where opossums and cat fleas play a role in transmission. since 2012, there has been a reemergence of murine typhus in galveston, tx. we hypothesize that opossums and ...201627273642
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