is there a virus that causes severe diarrhea
These parasites include flat worms, roundworms, hookworms, and flukes. Visitors usually become infected by eating or drinking something that has been contaminated with the parasites' ova, but some of the parasites can also penetrate the skin. Viruses: Rotavirus is the most common cause of severe diarrhea among children.Other viruses include Norwalk, noroviruses (also called Norwalk-like viruses), adenoviruses, calciviruses, cytomegalovirus (CMV) , and HIV.ommon causes of chronic diarrhea: Chronic diarrhea, diarrhea that lasts for more than a few weeks, sporadic diarrhea, and diarrhea that alternates with constipation are most frequently associated with non-infectious causes of diarrhea.