Origins of Major Human Infectious Diseases
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Questions and Answers

Which of the following is true about the origins of major human infectious diseases?

  • They arose only after the origins of agriculture (correct)
  • They are predominantly of temperate origins
  • They are predominantly of tropical origins
  • They are predominantly of New World origins

    • How many intermediate stages are identified for a pathogen to transform from infecting animals to infecting humans?

  • Four
  • Five (correct)
  • Six
  • Three

    • What is the main difference in the sources of tropical and temperate diseases?

  • The relative importance of domestic animals and wild primates (correct)
  • The level of human exposure to wild animals
  • The role of agriculture in disease transmission
  • The presence of pathogens in the environment

    • Which populations currently suffer from major human infectious diseases?

    <p>Human hunter/gatherer populations (A)</p> Signup and view all the answers

    What is proposed to resolve disputed origins of major diseases?

    <p>An initiative to monitor pathogens (B)</p> Signup and view all the answers

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