| Cytomegalovirus infection |
| Lyme carditis (Borrelia) |
| Mycoplasma infection |
| Psittacosis |
| Legionnaire's disease |
| Salmonella/Shigella infection |
| Brucellosis |
| Leptospirosis |
| Rickettsial infection |
| Candidiasis |
| Coccidioidomycosis |
| Cryptococcosis |
| Toxoplasmosis |
| Trichinosis |
