<prompt> All of the following are true about nosocomial infections exceptMay manifest within 48 hours of admissionMay develop after discharge of patient from the hospitalDenote a new condition which is unrelated to the patients primary conditionsMay already present at the time of admission  <response>: Nosocomial infection occurs in a patient already suffering from a disease and a new infection is set up from another host or another external source. It occurs 48hours after admission or discharge from the hospital. Ref: Ananthanarayan Paniker;s textbook of microbiology, 9th edition. Pg no.71 