The Norwalk Virus is the most common cause of epidemic nonbacterial gastroenteritis in the world.It is named for the city of Norwalk,Ohio in which the first confirmed outbreak occurred in 1968,infecting almost all the students and teachers of a nearby school. This epidemic, also known as Norovirus, is spherical shaped with hexagonal designs spanning all round its surface.When examined through a microscope,this virus can be in different colors ranging from red and orange to blue and green.It is around 50 nm in diameter.You can be infected by consuming raw or unclean food ot touching something or somebody already contaminated..Most outbreaks of the Norwalk Virus start in restaurants where infected food workers touch ready-to-eat foods,such
