Waec Model Questions Vol1 2021 Biology Question 10

Practice objective / multiple choice question 10 from the 2021 Waec Model Questions Vol1 Biology examination.

Waec Model Questions Vol1 2021 Biology Objective / Multiple Choice Hard Difficulty
Question 10 WAEC_MODEL_QUESTIONS_VOL1 • 2021 • BIOLOGY • objective

Measles has a basic reproduction number \(R_{0}=15\). To achieve herd immunity, the proportion of the population that must be immune is given by \(1-\frac{1}{R_{0}}\). If the measles vaccine is 95 % effective, calculate the minimum vaccination coverage required to interrupt transmission in the community.

Answer Options

Correct Answer A. Approximately 98 % vaccination coverage
B. Approximately 90 % vaccination coverage
C. Approximately 85 % vaccination coverage
D. Approximately 95 % vaccination coverage
Correct Answer
A
Correct Option:
Approximately 98 % vaccination coverage

About This Question

This is Waec Model Questions Vol1 2021 Biology Question 10. It is a objective / multiple choice question from the 2021 Waec Model Questions Vol1 Biology examination.

Difficulty level: Hard .

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