<prompt> A man presents with fever and child 2 weeks after a louse bite. There was maculo-papolar rash on th trunk which spread peripherally. The cause of this infection can be -Scrub typhusEndemic typhusRickettsial poxEpidemic typhus  <response>: Epidemic typhus Park;s textbook of preventive and social medicine,K.Park,23rd edition,page no:301. p 