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.
Answer: D
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Indicate whether the statement is true or false.
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