This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable diseases, Subject name: Social & Preventive Medicine
Rickettsial pox is caused by ? 
Select and explain. 
A. Rickettsia ricketsiae, B. Rickettsia akari, C. R. Typhi, D. Rickettsia coonri
B: Rickettsia akari
Answer: B: Rickettsia akari 
Explanation: Rickettsial pox caused by R.akari Reference; Park&;s Textbook of preventive and social medicine, 24th edition.Pg no. 316