<prompt> A person was bitten by an infected louse and developed a disease. What is the probable diagnosisScrub tyohusEpidemic typhusEndemic typhusIndian tick typhus  <response>: louseborn typhus is epidemic typhus caused by R.prowazekii whose distribution is worldwide,pediculis humanus corporishuman body louse act as vector, incubation period is 5_15 days,disease stas with fever and chills, a characteristic rash appears on 4th or 5th day stas on trunk spreads over limbs except face,palm,soles..2nd week:patient become delirious and stuporous.recrudescent typhusBrill zinsser diseaseis by reactivation leading to recrudescence of epidemic typhus Ref:anantnarayan and panikers microbiology 10th edition 