Which is a Nosocomial infection?

Correct option is D

Ans. (d)
Sol. A nosocomial infection, also known as a hospital-acquired infection (HAI), is an infection that occurs after 48 hours of hospital admission, which was not present or incubating at the time of admission. Common types include urinary tract infections, surgical site infections, and pneumonia.
Explanation of each option:
· (a) Infection from an animal source – Called zoonotic infection, not nosocomial.
· (b) Infection from mosquito bites – Refers to vector-borne diseases like malaria or dengue.
· (c) Infection acquired from home – Referred to as community-acquired infection.
· (d) Infection acquired from the hospital – Correct answer. Known as nosocomial infection.