Stomach bugs are very common in young children, especially in preschool and early childhood settings. We’ve put together a simple guide to help you understand the most common stomach bugs , how they spread, what symptoms to look out for and how to reduce the risk of illness. The most common stomach bugs we see in young children include: Gastroenteritis (general stomach bug) This is a general term used for inflammation of the stomach and intestines, usually caused by a virus o