<prompt> The difference between contamination and infection is that in infection-Infectious agent is on body surface or on nonhuman objectsInfectious agent is in the body of humanAhropods on the body surfaceNone  <response>: Ans. is b i.e., Infectious agent is in the body of human o Infection -- Infectious agent in the body. o Contamination --- Infectious agent on body surface or on objects. o Infestation -- Ahropods on body surface. 