Endemic typhus cause and vector is
R. prowazki and louse
R. typhi and Rats
R. conori and tick
R. akari and mite
Endemic Typhus Is also known as 'Flea borne typhus' or 'Murine Typhus' Causative agent : Rickettsia typhi (R.mooseri) Reservoir: Rats Mode of Transmission : Rat Flea (Xenopsylla cheopsis) - But not Through bite, rather through feces innoculation on skin or inhalation of dried infective faeces Incubation period : 1-2 weeks Weil-Felix reaction: Becomes positive with proteus OX-19 in 2nd week Drug of choice : Tetracycline Ref: Park 25th edition Pgno : 316
Communicable diseases