Diarrhea can be caused by a variety of things, including bacteria, parasites, and viruses. Viral causes are responsible for up to 50% of all cases of diarrhea. Some of the most common viruses that can cause diarrhea include rotavirus, adenovirus, and Norovirus.
Rotavirus is the most common virus that causes diarrhea in children. It is a highly contagious virus that spreads like fire from from person to person. Symptoms of rotavirus infection include watery diarrhea, vomiting, fever, and abdominal pain. Rotavirus is responsible for hundreds of thousands of deaths each year worldwide.
Adenovirus is another common virus that can cause diarrhea. This virus is often spread through contact with contaminated surfaces or objects.