Arthropod Vector-Borne Infections Quiz
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Questions and Answers

Which of the following is true about arboviruses?

  • Arboviruses are transmitted by protozoa
  • Arboviruses are transmitted by arthropods (correct)
  • Arboviruses are transmitted by bacteria
  • Arboviruses are transmitted by ticks
  • What is the family and genus of the virus that causes yellow fever?

  • Family Arboviridae, genus Flavivirus
  • Family Flaviviridae, genus Arbovirus
  • Family Flaviviridae, genus Flavivirus (correct)
  • Family Arboviridae, genus Arbovirus
  • How is the yellow fever virus primarily transmitted?

  • Through direct contact with an infected person
  • Through the bite of the yellow fever mosquito Aedes aegypti (correct)
  • Through the bite of sandflies
  • Through the bite of ticks
  • Where does the yellow fever virus replicate in mosquitoes?

    <p>In stomach epithelial cells</p> Signup and view all the answers

    What is the mode of transmission for yellow fever virus from an infected person to a mosquito?

    <p>When a mosquito feeds on the blood of an infected person</p> Signup and view all the answers

    Study Notes

    Arboviruses Overview

    • Arboviruses are arthropod-borne viruses responsible for diseases transmitted by vectors such as mosquitoes and ticks.
    • They can cause significant morbidity and mortality in humans and animals.

    Yellow Fever Virus

    • Belongs to the family: Flaviviridae.
    • Classified under the genus: Flavivirus.

    Transmission of Yellow Fever Virus

    • Primarily transmitted through the bite of infected Aedes and Haemagogus mosquitoes.
    • The virus can also be spread through human-to-mosquito transmission, particularly when a mosquito bites an infected human.

    Replication in Mosquitoes

    • Yellow fever virus replicates in the salivary glands of mosquitoes, allowing it to be transmitted efficiently during subsequent bites.

    Mode of Transmission to Mosquitoes

    • An infected person can transmit the virus to mosquitoes through blood, enabling the mosquitoes to carry the virus to other individuals during feeding.

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    Description

    Test your knowledge on infections transmitted through the skin by arthropod vectors. Learn about diseases like yellow fever and how they are spread by mosquitoes, ticks, and sandflies.

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