<prompt> Rickettia prowazaki causes:Epidemic typhusEndemic typhusScrub typhusTrench fever  <response>: A Epidemic typhus R.prowazekii named after von Prowazek, who had contracted fatal typhus fever while investigating the disease. Other diseases caused by Ricketisis are: Endemic typhus - R. typhi mooseri Tick typhus - R.rickettsii ScrubCHIGGER Typhus - Borne -R. tsutsugamushi, R.orientalis Trenchfive day fever - R. Quintana Bartunella quintana Epidemic typhus is caused by R. prowazekii. 