how does polio vaccination help to prevent diseases
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polio vaccine helps in the prevention of polio.
It can be given in mouth or through injection.It was developed by Jonas Salk and came into use in 1955.
hope it helps.
It can be given in mouth or through injection.It was developed by Jonas Salk and came into use in 1955.
hope it helps.
GeetaPoghat:
thank you for brainliest.
its ok
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Answer:
polio vaccine helps in the prevention of polio.
It can be given in mouth or through injection.It was developed by Jonas Salk and came into use in 1955.
Explanation:
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