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Rotavirus and Reovirus Structure and Infection
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Rotavirus and Reovirus Structure and Infection

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Questions and Answers

What is the characteristic of Reovirus?

  • Double stranded RNA virus (correct)
  • Single stranded DNA virus
  • Double stranded DNA virus
  • Single stranded RNA virus
  • What is the primary site of Rotavirus infection?

  • Macrophages in the blood
  • Epithelial cells in the lung
  • Enterocytes in the large intestine
  • Enterocytes in the small intestine (correct)
  • What is the main complication of Rotavirus infection?

  • Secretory diarrhea (correct)
  • Hepatitis
  • Toxic shock syndrome
  • Meningitis
  • What is the mechanism of Rotavirus-induced diarrhea?

    <p>Increased chloride permeability</p> Signup and view all the answers

    What is the recommended timing for the first dose of Rotavirus vaccine?

    <p>Before 3 months of age</p> Signup and view all the answers

    What is the population most at risk for Rotavirus infection?

    <p>Young children</p> Signup and view all the answers

    What is the typical duration of Rotavirus infection?

    <p>3-7 days</p> Signup and view all the answers

    What is the primary treatment for Rotavirus infection?

    <p>Supportive care and oral rehydration therapy</p> Signup and view all the answers

    What is unique about the genetic material of Reovirus?

    <p>It is double-stranded RNA</p> Signup and view all the answers

    What is the function of NSP4 in Rotavirus infection?

    <p>It causes toxic-mediated secretory diarrhea</p> Signup and view all the answers

    What is the structure of the Rotavirus capsid?

    <p>It has 3 layers</p> Signup and view all the answers

    What is the result of enterocyte damage in Rotavirus infection?

    <p>Release of virus into lumen</p> Signup and view all the answers

    What is the significance of the boat name 'CHLO-RIDER' in the context of Rotavirus?

    <p>It increases chloride permeability</p> Signup and view all the answers

    What is the characteristic of Rotavirus outbreaks?

    <p>They occur primarily in winter</p> Signup and view all the answers

    What is the result of Rotavirus infection on the small intestine?

    <p>Enterocytes are damaged and release virus into lumen</p> Signup and view all the answers

    Why is the Rotavirus vaccine typically administered orally?

    <p>To increase the efficacy of the vaccine</p> Signup and view all the answers

    Study Notes

    Reovirus and Rotavirus

    • Reovirus has 11 segments of double-stranded RNA.
    • Rotavirus replicates in the cytoplasm and has a naked capsid with 3 layers.
    • Rotavirus is a double-stranded RNA virus with 11 segments.

    Rotavirus Infection

    • Rotavirus infects enterocytes in the villi of the small intestine.
    • Damaged enterocytes release the virus into the lumen.
    • Infection is usually self-limiting and resolves in 3-7 days.

    Clinical Features

    • Rotavirus causes toxic-mediated secretory diarrhea.
    • NSP4 causes secretory diarrhea.
    • Chloride permeability is increased, leading to diarrhea.

    Epidemiology

    • Rotavirus is a major etiology of infantile gastroenteritis worldwide.
    • Children are the population most at risk, especially those in daycare.

    Prevention and Treatment

    • Treatment is supportive care and oral rehydration therapy.
    • Live attenuated oral vaccine is available.
    • The first dose should be given before 3 months of age to ensure efficacy and reduce the risk of intussusception.

    Reovirus and Rotavirus

    • Reovirus has 11 segments of double-stranded RNA.
    • Rotavirus replicates in the cytoplasm and has a naked capsid with 3 layers.
    • Rotavirus is a double-stranded RNA virus with 11 segments.

    Rotavirus Infection

    • Rotavirus infects enterocytes in the villi of the small intestine.
    • Damaged enterocytes release the virus into the lumen.
    • Infection is usually self-limiting and resolves in 3-7 days.

    Clinical Features

    • Rotavirus causes toxic-mediated secretory diarrhea.
    • NSP4 causes secretory diarrhea.
    • Chloride permeability is increased, leading to diarrhea.

    Epidemiology

    • Rotavirus is a major etiology of infantile gastroenteritis worldwide.
    • Children are the population most at risk, especially those in daycare.

    Prevention and Treatment

    • Treatment is supportive care and oral rehydration therapy.
    • Live attenuated oral vaccine is available.
    • The first dose should be given before 3 months of age to ensure efficacy and reduce the risk of intussusception.

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    Description

    This quiz covers the structure and replication of Rotavirus and Reovirus, as well as the clinical features of Rotavirus infection. Learn about the characteristics of these viruses and how they infect the small intestine.

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