Version July 2025
| Transmission | Organism | Human symptoms | Feline symptoms | Geographic distribution |
| Aerosol | Bordetella bronchiseptica | Asymptomatic to upper respiratory tract infections to pneumonia | Kennel cough | Worldwide |
| Coxiella burnetii | Q fever, including a self-limited flu-like illness, +/- pneumonia, +/- hepatitis, +/- endocarditis | Asymptomatic; infection may cause abortion or rapid death of newborn kittens | Worldwide | |
| Mycobacterium bovis | Tuberculosis | Tuberculosis | Worldwide | |
| Tick or flea bites | B. burgdorferi | Lyme disease | Lyme disease | Worldwide |
| Ehrlichia chaffeensis and Anaplasma phagocytophilum | Ehrlichiosis Anaplasmosis | Asymptomatic or similar to human disease | North America Few cases Europe, Africa, Mexico | |
| Babesia microti (United States); Babesia divergens (Europe) | Babesiosis | Asymptomatic or similar to human disease | Focal areas of United States and Europe | |
| Yersinia pestis | Plague | Fever, loss of appetite, can have severe illness | Majority in south central United States | |
| Francisella tularensis | Tularemia | Fever, loss of appetite, can have severe illness | Worldwide In the United States (Arkansas, Missouri Oklahoma) | |
| Direct contact | Sporothrix schenckii | Sporotrichosis | Similar to human disease | Worldwide |
| Microsporum canis | Dermatophyte; ringworm | Similar to human disease | Worldwide | |
| Methicillin-resistant Staphylococcus aureus | Asymptomatic; skin and soft tissue infection | Similar to human disease | Worldwide | |
| Urine | Leptospira interrogans | Leptosiprosis, subclinical to severe, potentially fatal illness | Similar to human disease | Worldwide |
