Noroviruses are a group of viruses that cause gastroenteritis.

Many different types of bacteria can cause bacterial gastroenteritis, including:

All parts of the plants are toxic, causing severe gastroenteritis if eaten.

Some foods may irritate your stomach and also cause gastroenteritis.

Many of the same agents cause gastroenteritis in cats and dogs as in humans.

Unlike norovirus, this virus generally only causes mild gastroenteritis in young children.

Some authors have reported the species as outright poisonous, or causing "mild to fatal gastroenteritis".

They cause gastroenteritis in mammals, including humans but rarely.

Rotavirus, which causes gastroenteritis, infects nearly all children world-wide before the age of three.

Adenoviruses, types 40 and 41 can also cause gastroenteritis.