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Day 88 – Q 4. How do vaccines create immunity against viral infections? Explain with the help of suitable examples. 

  • IASbaba
  • April 23, 2021
  • 0
Environment, GS 3, TLP-UPSC Mains Answer Writing
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4. How do vaccines create immunity against viral infections? Explain with the help of suitable examples. 

वायरल संक्रमण के खिलाफ टीके प्रतिरक्षा कैसे बनाते हैं? उपयुक्त उदाहरणों की सहायता से समझाएँ।

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