Social & Preventive Medicine Communicable diseases ecbfbcde Rickettsial pox is caused by ? A Rickettsia ricketsiae B Rickettsia akari C R. Typhi D Rickettsia coonri High-Yield Explanation Rickettsial pox caused by R.akari Reference; Park&;s Textbook of preventive and social medicine, 24th edition.Pg no. 316