Herd Immunity and Population Protection — MCQs

You are the MO in charge in a PHC and there has been a plague epidemic in your area. Which of the following measures is the LEAST appropriate for controlling epidemic?

The primary mechanism by which herd immunity protects a population is by:

In a vaccine trial, relative risk is 0.2. What is the vaccine efficacy?

Assertion: VZV vaccine is live attenuated. Reason: It cannot be given to immunocompromised patients.

Which of the following vaccines is classified as a killed vaccine?

To achieve a Net Reproduction Rate (NRR) of 1, the couple protection rate should be

In a population of 5000, there are 19 % eligible couples. To achieve a couple protection rate (CPR) of 60 %, how many of these should be covered for family planning services?

Inactivated microorganisms are used in the manufacture of which of the following vaccines?

Which of the following vaccines is NOT typically given for post-splenectomy infection prophylaxis?

Which of the following is a live vaccine?