Waec Model Questions Vol1 2019 Agricultural Science Question 37
Practice objective / multiple choice question 37 from the 2019 Waec Model Questions Vol1 Agricultural Science examination.
Foot‑and‑mouth disease in cattle has a basic reproduction number (R₀) of 2.5. A vaccine available for the disease is 80 % effective, meaning only 80 % of vaccinated animals become immune. What minimum proportion of the cattle herd must be vaccinated to prevent an outbreak?
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About This Question
This is Waec Model Questions Vol1 2019 Agricultural Science Question 37. It is one of the objective questions from the 2019 Waec Model Questions Vol1 Agricultural Science examination.
Difficulty level: Medium .
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