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 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 wiaamait60
  • 29-10-2021
it took about 200years ago
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