Written by Pal Randhawa, Dalhousie undergraduate student, April 2009
smaller than rotaviruses
Transmission associated with
However, many times the mode of transmission is not clear.
Norovirus damages intestinal microvilli, resulting in malabsorption of fat.
Virulence occurs due to the following features:
Symptoms vary patient to paitient, but are typified by explosive projectile vomiting, diarrhea or both.
Also common are:
Clinical criteria include:
Norovirus is non–culturable, but can be detected with PCR.
Norovirus is self-limiting, and treatment is supportive in nature.