Adaptive immunity occurs when
A) death results from pathogen infection.
B) the innate immune response fails to eliminate pathogens in the body.
C) virulent pathogen infections persist in the body after the initial innate defense response.
D) the innate immune response fails to eliminate pathogens in the body and virulent infections persist after the initial innate defense response.

Question

Quizplus · Accepted Answer

Adaptive immunity is activated when the innate immune response is insufficient to eliminate pathogens, and the infection persists, requiring a more specific and targeted immune response.

Adaptive Immunity Occurs When