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The nature of infectious diseases and of their control by vaccination was first demonstrated by:

The nature of infectious diseases and of their control by vaccination was first demonstrated by:

  • (A) Thomas Huxley
  • (B) Louis Pasteur
  • (C) James Clerk Maxwell
  • (D) Alexander Fleming
Louis Pasteur is perhaps the name most commonly associated with proving that germs are indeed responsible for causing diseases, which is known as the germ theory of disease. Pasteur took Jenner’s trick of using cowpox to cure smallpox but took it to the next level by showing that vaccines could be made from germs that had been deliberately weakened. This paved the way for lab-made vaccines for different diseases, such as fowl cholera, anthrax, and rabies.
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Related MCQs:

 ‘NATO’ is an abbreviation of:

March 18, 2026 No Comments
  • (A) North Atlantic Treaty Organization
  • (B) Non-Aligned Treaty Organization
  • (C) Non-Aligned Trading Organization
  • (D) North American Transport Organization

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