Watery diarrhea without
nausea +/or vomiting


Vibrio cholera

Vibrio parahaemolyticus

Enterotoxigenic E. coli (ETEC)

Clostridium perfringens

Bacillus cereus

Giardia lamblia

Cryptosporidium parvum

Cyclospora

Dientamoeba fragilis

Nonpathogenic organisms