阿摩線上測驗
49. In the passage, the term “herd immunity” most nearly refers to:
(A) Immunity developed after recovering from a disease
(B) Reduction in infections within hospitals due to precautions
(C) Fewer outbreaks in the community due to high immunity
(D) Legal requirements for vaccination in a community
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統計： A(1), B(0), C(14), D(2), E(0) #3840109
統計： A(1), B(0), C(14), D(2), E(0) #3840109
