Relationship between West Nile virus cases and temperature in Denver, Colorado
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Questions and Answers

What are the symptoms of West Nile Fever?

  • Joint pain and muscle aches (correct)
  • Nausea and vomiting
  • Chest pain and shortness of breath
  • Memory loss and confusion
  • How does West Nile Meningitis or Encephalitis typically manifest?

  • Sensitivity to light
  • Severe abdominal pain
  • Visual disturbances
  • Decreased level of consciousness (correct)
  • What is the main route of human infection for West Nile Virus?

  • Consuming contaminated water
  • Direct contact with infected birds
  • Through the bite of an infected mosquito (correct)
  • Airborne transmission from person to person
  • Where did West Nile Virus originate?

    <p>Middle East</p> Signup and view all the answers

    What is the outcome for < 1% of people infected with West Nile Virus?

    <p>Severe neurological complications</p> Signup and view all the answers

    How is control achieved for West Nile Virus?

    <p>Using mosquito control measures</p> Signup and view all the answers

    Which phase of yellow fever is characterized by jaundice, internal bleeding, and kidney failure?

    <p>Toxic phase</p> Signup and view all the answers

    Where is yellow fever native to?

    <p>West Africa</p> Signup and view all the answers

    During which epidemic in the U.S.A. did yellow fever kill 4,044 people?

    <p>Philadelphia 1793 epidemic</p> Signup and view all the answers

    What historical event saw 90% of Napoleon's force sent to Haiti killed by yellow fever?

    <p>Haiti rebellion</p> Signup and view all the answers

    Why were many large nineteenth-century homes in New Orleans susceptible to mosquito entry?

    <p>Open verandahs and porches design</p> Signup and view all the answers

    How long do untreated victims of yellow fever usually survive after developing the toxic phase?

    <p>10-14 days</p> Signup and view all the answers

    Which of the following factors is associated with an increase in West Nile virus cases in Denver, Colorado?

    <p>Both higher temperatures and lower precipitation</p> Signup and view all the answers

    What type of organism causes malaria?

    <p>Protozoan</p> Signup and view all the answers

    How is malaria transmitted from one person to another?

    <p>Through the bite of an infected mosquito</p> Signup and view all the answers

    What is the primary method used to control malaria in areas like Louisiana?

    <p>Using insecticides and anti-malaria drugs</p> Signup and view all the answers

    Which of the following statements about malaria is true?

    <p>Malaria kills between 1 to 3 million people annually</p> Signup and view all the answers

    What is the primary reason for not eradicating all mosquitoes from areas like the bayous of Louisiana?

    <p>It would be ecologically undesirable</p> Signup and view all the answers

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