1. What is vaccination? Write any three diseases which can be prevented by vaccination.
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Vaccination is the injecting Of special types of dead or Low powered viruses in the body of someone so that the body can produce Antibodies to kill the bacterias and even To protect the body from this disease in future.
Three examples are:- Typhoid,TB(Tuberculosis) and Polio.
Generally,BCG is injected to a newborn baby to prevent TB.
And others are injected by the age of 16 years(only typhiod delays)
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Explanation:
A small dose of injecting of weekends or killed pathogens to immune our disease. this practice is called vaccination.
some disease which are prevented from vaccination are following :-
- small pox
- tuberculosis
- tetanus
- mumps
- diphtheria
- rubella
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