Altogether, nine people from the 21 person group came down with the disease According to the Centers for Disease Control and Prevention , norovirus may be the most common cause of gastroenteritis in the U.S., infecting 21 million people and requiring 70,000 hospitalizations a year. About 800 people annually die from the disease. What makes the norovirus so harmful is that it is easily passed along from infected people, contaminated drinking water or food or by touching contaminated surfaces.Cao et al. Discovered that 9 percent of patients who had harmful margins initially had cancer within shave margins, which rendered their final margin positive.10 Similarly, Hequet et al. Discovered that cavity shaving resulted in the obtaining of previously unpredicted multifocal disease in 8 percent of individuals.17 Huston et al. Found that 2 percent of individuals with adverse margins had further cancer that yielded positive margins after cavity shaving,14 which is similar to our acquiring of 4 percent. Although one could argue that finding additional occult disease may not affect outcome,18 excising additional disease in more than 10 percent of patients may have a significant long-term influence on the rate of local recurrence.