Gce Model Questions Vol1 2022 Agricultural Science Question 46
Practice objective / multiple choice question 46 from the 2022 Gce Model Questions Vol1 Agricultural Science examination.
A cattle farm has 200 head. A contagious disease has a basic reproduction number \(R_0 = 2.5\). A vaccine is 80 % effective. (i) What is the minimum number of cattle that must be vaccinated to prevent an outbreak (i.e., to achieve herd immunity)? (ii) If 5 % of the vaccinated cattle fail to develop immunity, will herd immunity still be maintained? Give your answer as "Number, Yes/No".
Answer Options
About This Question
This is Gce Model Questions Vol1 2022 Agricultural Science Question 46. It is one of the objective questions from the 2022 Gce Model Questions Vol1 Agricultural Science examination.
Difficulty level: Medium .
Master the Exam!
You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.