codeinehotfye2363 codeinehotfye2363

29-10-2021
Health

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how long did it take to create the smallpox vaccine?

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saanvi7 saanvi7

29-10-2021

The vaccine started in the 1700s and wasn’t done till the 1900s so are 200 years.

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wiaamait60 wiaamait60

29-10-2021

it took about 200years ago

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