What Is Rotavirus?
Rotavirus is one type of bug that causes stomach flu and may make children sicker than other types (like adenovirus, enterovirus, astrovirus, and Norwalk virus). Until recently, most children had been infected with rotavirus once by age 2 and nearly all had had at least one bout by age 5, according to the Centers for Disease Control and Prevention (CDC). This particular bug is responsible for about 400,000 doctor visits and 200,000 emergency room trips in the U.S. every year. However, a new rotavirus vaccine may drastically decrease the number of cases once it becomes widely used.
Your child's most likely to get infected with rotavirus between November and May, especially if he's regularly exposed to lots of other kids in situations such as daycare or playgroups. Rotavirus is very contagious and can easily spread among kids and teachers. As with other viruses, there's no quick treatment -- you have to let the bug run its course. Keeping your child hydrated is the best way to help him feel better. In severe cases, a baby can become dehydrated in as little as six hours.