Table 5.

Gastroenteritis etiology

Viral (50%–70%)	Bacterial (15%–20%)	Parasitic (10%–15%)	Others	Drug-Associated
Norovirus	Shigella	Giardia	Ciguatera	Antibiotics
Calicivirus	Salmonella	Amebiasis	Scombroid	Laxatives
Rotavirus	Campylobacter	Cryptosporidium	—	Colchicine
Adenovirus	Yersinia	Cyclospora	—	Quinidine
Parvovirus	Escherichia coli	—	—	Sorbitol
Astrovirus	Vibrio cholera	—	—	—
Coronavirus	Aeromonas	—	—	—
Pestivirus	Bacillus cereus	—	—	—
Torovirus	Clostridium difficile	—	—	—
—	Clostridium perfringens	—	—	—
—	Listeria	—	—	—
—	Mycobacterium avium-intracellulare (MAI)	—	—	—
—	Providencia	—	—	—
—	Vibrio parahaemolyticus	—	—	—
—	Vibrio vulnificus	—	—	—