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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
Colostrum provides ____________.
All are peripheral lymphoid organs except ____________.
In agglutination and precipitation reactions, the antigen is a ____________ and ____________ respectively.
B cells that produce and release large amounts of antibody are called ____________.
Raja is injured and got swelling. The swelling is due to the infection of tissue is an example of ____________.
List out chemical alarm signals produced during inflammation.
Where are B-cells and T-cells produced in the human body? How do they differ from each other? Mention any two differences.
Choose the correct match pair.
What are interferons? Mention their role.
What are the cells involved innate immune system?
