Gastroenteritis Viruses Flashcards
1
Q
Which virus is a major causative agent of GE in young children?
A
Rotavirus
2
Q
Describe the mechanism of rotaviruses
A
Virus infects and damages absorptive epithelial enterocytes of small intestinal villi.
This results in enzyme deficiency and defective transport.
3
Q
Which virus is found in high loads in the stool?
A
Rotavirus
4
Q
What is the type of vaccines given for rotaviruses?
A
ORAL live attenuated
Rotateq and rotarix
5
Q
Describe the norwalk virus
A
GE associated with water, food and shellfish
6
Q
Does norovirud have a vaccine?
A
NO
7
Q
What are the characteristics of norovirus?
A
- Rapid onset
- Highly infectious (risks for outbreaks in community settings)
- Spread by faeco-oral route
- Mass diarrhoea and vomitting
Suspect when a large number of people in close proximity have diarrhoea and vomitting
8
Q
What virus is closely related to norovirus?
A
Sapovirus