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