GS 3, Sci & Technology, TLP-UPSC Mains Answer Writing
1. What are the various stages of vaccine development? Illustrate. How is efficacy of a vaccine calculated? Explain.
टीका विकास के विभिन्न चरण क्या हैं? उदाहरण देकर स्पष्ट करें। टीके की गणना कैसे की जाती है? समझाएं।
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