Day 11 – Q 4. What do you understand by the ‘efficacy’ of a vaccine? How is it measured? Explain. 

  • IASbaba
  • January 22, 2021
  • 0
Ethics Theory, GS 4, TLP-UPSC Mains Answer Writing

4. What do you understand by the ‘efficacy’ of a vaccine? How is it measured? Explain. 

 टीके कीप्रभावकारितासे आप क्या समझते हैं? यह कैसे मापा जाता है? स्पष्ट कीजिए।

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