Gce Model Questions Vol1 2025 Biology Question 42
Practice objective / multiple choice question 42 from the 2025 Gce Model Questions Vol1 Biology examination.
In a vaccine trial, 500 participants received the vaccine and 1500 did not. Among the vaccinated group, 5 developed the disease; among the unvaccinated group, 60 developed the disease. Calculate (i) the relative risk reduction expressed as a percentage, and (ii) the number of people that need to be vaccinated to prevent one case of disease (rounded to the nearest whole number).
Answer Options
About This Question
This is Gce Model Questions Vol1 2025 Biology Question 42. It is one of the objective questions from the 2025 Gce Model Questions Vol1 Biology examination.
Difficulty level: Hard .
Master the Exam!
You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.