| Disease | Exposure | Clues |
|---|---|---|
| Bacteria | ||
| Brucellosis | ingestion | non-localizing fever |
| Campylobacteriosis | ingestion | acute diarrhea |
| Corynebacterium pseudotuberculosis | ingestion | |
| Diphtheria | ingestion | |
| Enteric fever | ingestion | non-localizing fever, travel to endemic area |
| Escherichia coli, including H7:O157 | ingestion | acute diarrhea |
| Haverhill fever | ingestion | |
| Listeria monocytogenes | ingestion | acute diarrhea, meningitis |
| MRSA | contact | |
| Mycobacterium bovis | ingestion | |
| Mycobacterium tuberculosis | ingestion | |
| Pseudomonas aeruginosa | ingestion | acute diarrhea |
| Q fever | ingestion | non-localizing fever |
| Salmonellosis | ingestion | acute diarrhea |
| Scarlet fever | ingestion | rash |
| Shigellosis | ingestion | acute diarrhea |
| Streptococcal pharyngitis | ingestion | sore throat |
| Yersiniosis | ingestion | acute diarrhea |
| Viral | ||
| Hepatitis A | ingestion | nausea, elevated liver enzymes |
| Polio | ingestion | travel in endemic area |
| Rabies | ingestion | |
| Tick-borne encephalitis | ingestion | |
| Parasitic | ||
| Cryptosporidiosis | ingestion | |
| Toxoplasmosis | ingestion | |
| Non-Infectious and Toxins | ||
| Arsenic | ||
| Histamine | ||
| Iron | ||
| Staphylococcus aureus enterotoxins | ingestion | vomiting |
| Tremetol | ||
