Question

The study design for developing the new vaccine is:

• A. Cross-sectional study
• B. Cohort Study
• C. Longitudinal study
• D. Randomized Controlled trial

Hint:

Randomized Controlled Trials (RCTs) are considered the gold standard for evaluating the effectiveness of interventions like vaccines.

Answer 1

The Correct Option is D

Step 1: Vaccine Development Study Design.
Randomized Controlled Trials (RCTs) are the preferred study design for new vaccine development. RCTs enable researchers to evaluate vaccine efficacy and safety by randomly assigning participants to either treatment or control groups.