Pandemics and Vaccines Quiz
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Questions and Answers

What is the primary function of vaccines?

  • Suppress the immune system to prevent overreaction to pathogens
  • Directly kill harmful pathogens in the body
  • Provide nourishment to the immune system for better functioning
  • Stimulate the immune system to defend against harmful pathogens (correct)

    • Which virus caused the 2009 pandemic known as 'swine flu'?

  • H1N1 influenza A virus (correct)
  • H7N9 avian influenza virus
  • H3N2 influenza B virus
  • H5N1 avian influenza virus

    • What was the impact of the 1918 flu pandemic?

  • It led to a significant decrease in animal populations
  • It killed 20 million humans
  • It caused widespread crop failure
  • It killed 40 million humans (correct)

    • Which flu pandemic killed approximately 40 million humans in 1918?

    <p>1918 flu pandemic</p> Signup and view all the answers

    What is the primary source of the 'swine flu' virus, H1N1?

    <p>Humans from pigs</p> Signup and view all the answers

    What is the purpose of vaccines?

    <p>Stimulate the immune system to defend against harmful pathogens</p> Signup and view all the answers

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