Waec Model Questions Vol1 2024 Biology Question 8
Practice objective / multiple choice question 8 from the 2024 Waec Model Questions Vol1 Biology examination.
In a community a disease has a transmission coefficient β = 0.35 per contact per day, each person makes on average 12 contacts per day, and the infectious period lasts 4 days. (i) Calculate the basic reproduction number R₀. (ii) A vaccination programme immunises 60 % of the population with a vaccine that is 80 % effective. Determine the effective reproduction number Rₑ after vaccination and state whether the outbreak will continue.
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This is Waec Model Questions Vol1 2024 Biology Question 8. It is one of the objective questions from the 2024 Waec Model Questions Vol1 Biology examination.
Difficulty level: Hard .
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