what is vaccines give t
Answers
Answer:
A vaccine is a biological preparation that provides active acquired immunity to a particular infectious disease. A vaccine typically contains an agent that resembles a disease-causing microorganism and is often made from weakened or killed forms of the microbe, its toxins, or one of its surface proteins. The agent stimulates the body's immune system to recognize the agent as a threat, destroy it, and to further recognize and destroy any of the microorganisms associated with that agent that it may encounter in the future. Vaccines can be prophylactic (to prevent or ameliorate the effects of a future infection by a natural or "wild" pathogen), or therapeutic (to fight a disease that has already occurred, such as cancer).
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Question:-
- What is vaccine?
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Answer:-
A vaccine are small dose of agent they are in weaker form to kill microorganism present in our body. It increase the protection from that disease in futher.
Examples : Measles , mumps and ruballa
- The first vaccine is invent by Edward Jenner