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Everyday Science Medium FPSC PPSC NTS Uploaded: 22 Jun 2026

Which scientist is credited with developing the first successful smallpox vaccine?

  • A Louis Pasteur
  • B Robert Koch
  • C Edward Jenner
  • D Alexander Fleming
Correct Answer: Option C — Edward Jenner
Explanation:
Edward Jenner developed the first successful smallpox vaccine in 1796 using cowpox material laying the foundation for the field of immunology and modern vaccination practices.
Submitted by: PaperMCQs
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