题目
题目

BIOMI1100 Prelim 2 PollEv practice questions

单项选择题

28. What is herd immunity?

选项
A.Getting protective antibodies from the animals we eat
B.The % of the population that needs to be vaccinated to limit spread of the disease
C.Vaccination of domesticated animals so they can't act as a reservoir of disease
D.Vaccination of every person which is required for disease eradication
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标准答案
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思路分析
Question restatement: 28. What is herd immunity? Option 1: Getting protective antibodies from the animals we eat. This is not what herd immunity refers to; it describes zoonotic exposure or foodborne antibodies, not population-level immunity from vaccination or prior infection. Option 2: The % of the population that needs ......Login to view full explanation

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