Card 85 / 102: Herd immunity
A) only occurs in a population in which all individuals are immune.
B) occurs in a population in which a large percentage of the population is immune.
C) only provides protection to those that are already immune.
D) is responsible for dramatic increases in childhood diseases.
E) occurs in a population in which a large percentage of the population is immune AND is responsible for dramatic increases in childhood diseases.

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