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प्रश्न
What is the vaccine? What are its types?
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उत्तर
A vaccine is a biological preparation that provides active acquired immunity to a particular disease and resembles a disease-causing microorganism and is often made from weakened or attenuated or killed forms of the microbes, their toxins, or one of its surface proteins. The vaccines are classified as first, second, and third-generation vaccines.
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संबंधित प्रश्न
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List out chemical alarm signals produced during inflammation.
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Choose the correct match pair.
What are interferons? Mention their role.
What are the cells involved innate immune system?
