E3- Viral Gastro

Question 1

What is the main feature of viral gastroenteritis?

Answer 1

Acute watery diarrhea

Question 2

Where does viral gastroenteritis replication occur?

Answer 2

Intestine epithelial cells

Question 3

What is the tx for viral gastroenteritis?

Answer 3

Oral rehydration therapy

Question 4

What are the most common etiologies of viral gastroenteritis?

Answer 4

Norovirus (90%)

Rotavirus

Question 5

How are majority of norovirus viral gastroenteritis infections spread?

Answer 5

Direct contact (shaking hands)

Question 6

Is norovirus enveloped or naked? What does this mean?

Answer 6

Naked; more persistent in the environment

Question 7

What family is norovirus apart of?

Answer 7

Calicivirdae

Question 8

How are norovirus infections prevented?

Answer 8

• Hand washing

- Safe food handling

Question 9

How is norovirus dx?

Answer 9

• EIAs (poor sensitivity; used in outbreak settings)

- RT-qPCR (sensitive and specific)

Question 10

What is the most common cause of infant gastroenteritis?

Answer 10

Rotovirus

Question 11

How does Rotovirus gastroenteritis present clinically?

Answer 11

5-7 day course of fever, vomiting

Question 12

What pattern of outbreak does Rotovirus follow?

Answer 12

Predictable, winter/spring season

Question 13

What type of virus is Rotovirus?

Answer 13

dsRNA virus

Question 14

How is Rotovirus prevented?

Answer 14

• Hand washing
• Safe food handling
• Vaccination

Question 15

How is Rotovirus dx?

Answer 15

• RT-qPCR

- Electron microscopy