E3- Viral Gastro Flashcards

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1
Q

What is the main feature of viral gastroenteritis?

A

Acute watery diarrhea

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2
Q

Where does viral gastroenteritis replication occur?

A

Intestine epithelial cells

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3
Q

What is the tx for viral gastroenteritis?

A

Oral rehydration therapy

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4
Q

What are the most common etiologies of viral gastroenteritis?

A

Norovirus (90%)

Rotavirus

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5
Q

How are majority of norovirus viral gastroenteritis infections spread?

A

Direct contact (shaking hands)

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6
Q

Is norovirus enveloped or naked? What does this mean?

A

Naked; more persistent in the environment

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7
Q

What family is norovirus apart of?

A

Calicivirdae

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8
Q

How are norovirus infections prevented?

A
  • Hand washing

- Safe food handling

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9
Q

How is norovirus dx?

A
  • EIAs (poor sensitivity; used in outbreak settings)

- RT-qPCR (sensitive and specific)

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10
Q

What is the most common cause of infant gastroenteritis?

A

Rotovirus

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11
Q

How does Rotovirus gastroenteritis present clinically?

A

5-7 day course of fever, vomiting

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12
Q

What pattern of outbreak does Rotovirus follow?

A

Predictable, winter/spring season

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13
Q

What type of virus is Rotovirus?

A

dsRNA virus

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14
Q

How is Rotovirus prevented?

A
  • Hand washing
  • Safe food handling
  • Vaccination
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15
Q

How is Rotovirus dx?

A
  • RT-qPCR

- Electron microscopy

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