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What is vaccine

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What is vaccine
  • 3 answers

Viraj Parmar 2 years, 11 months ago

Vaccine word is come from a Greek word 'Vacca' which means cow. Dr. Edward Jenner found this word. First vaccine was made of smallpox and he did experiment on an 8 year old named James Phipps.

Swarna Kushwaha 3 years, 8 months ago

Vaccsine kese bhi bimari ki davai hoti hai bevkooff

Annika Singh 3 years, 8 months ago

Pagal vaccine ka matalab nahi pata vaccine ka matalab hai dvayi
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