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 (B)</p> Signup and view all the answers

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

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

How is control achieved for West Nile Virus?

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

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

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

Where is yellow fever native to?

<p>West Africa (A)</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 (B)</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 (C)</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 (A)</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 (D)</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 (D)</p> Signup and view all the answers

What type of organism causes malaria?

<p>Protozoan (C)</p> Signup and view all the answers

How is malaria transmitted from one person to another?

<p>Through the bite of an infected mosquito (D)</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 (C)</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 (A)</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 (D)</p> Signup and view all the answers

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