Most common organism involved in nosocomial infection -: (A) Staph aureus, (B) E. coli, (C) Legionella, (D) Strep pneumonia
Answer is A. UTI is the most common type of nosocomial infection. . Most common cause of UTI ---> E coli . Most common cause of UTI in ICU ----> Candida . Overall staph aureus is a leading cause of nosocomial infection. . Staph aureus is the most common cause of surgical wound infection - . Most common cause of primary bacteremia --> Coagulase negative staphylococcus. REF : ananthanarayana 10th ed