mediumFPSCNTSCSSPPSCOTSIBASTSECATMDCATFamous Inventions & Inventors
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Correct Answer: B: Edward Jenner
Explanation: Edward Jenner developed the world’s first successful vaccine in 1796 to protect against smallpox. Jenner discovered that exposure to cowpox could provide immunity against the deadly smallpox disease. His groundbreaking medical discovery laid the foundation for modern immunology and vaccination systems. Vaccines have since saved millions of lives worldwide by preventing dangerous infectious diseases.