Biology, asked by anup5482, 1 year ago

The chart gives the number of cases of polio between 1937 and 2011. Polio is an infectious disease that causes paralysis and sometime death. The polio vaccine was introduced in 1995. What can be concluded about the polio vaccine

Answers

Answered by poorvika14
15

it's done to eradicate a polio from a country

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