PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
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Why are vaccines considered one of the most effective methods for preventing infectious diseases?
1. What is the main function of a vaccine in the body?
2. What is an antigen in the context of immunity?
3. Which type of vaccine contains weakened but living pathogens?
4. Why is a booster dose required in some vaccines?
5. What is the role of antibodies in the immune system?
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