- Other Salmonelloses (e.g., *S. Paratyphi A, B, or C*; *S. Enteritidis*)
- Shigellosis (caused by *Shigella* species)
- Campylobacteriosis (caused by *Campylobacter* species)
- Yersiniosis (caused by *Yersinia* species)
- Escherichia coli (E. coli) infection
- Other bacterial gastroenteritis (e.g., *Vibrio cholerae*, *Clostridium difficile*, *Plesiomonas shigelloides*)
- Viral gastroenteritis (e.g., rotavirus, norovirus, adenovirus)
- Amebiasis (caused by *Entamoeba histolytica*)
- Giardiasis (caused by *Giardia* species)
- Cryptosporidiosis (caused by *Cryptosporidium* species)
- Cyclosporiasis (caused by *Cyclospora* species)
- Isosporiasis (caused by *Isospora* species)
- Microsporidiosis (caused by *Microsporidia* species)
- Trichinellosis (caused by *Trichinella* species)
- Malaria (caused by *Plasmodium* species)
- Dengue fever (caused by dengue virus)
- Leptospirosis (caused by *Leptospira* species)
- Rickettsial infections (e.g., typhus, Rocky Mountain spotted fever)