| Acute disease | Chronic disease |
| Lasts for a very short period of time. | Lasts for a long period of time,may be a lifetime. |
| Infectious disease | Non-infectious disease |
| Spreads from one person to another (communicable). | Does not spread from one person to another (non-communicable). |
| Symptom-based treatment | Microbe-based treatment |
| Medicines are given to reduce the effects (symptoms) of the disease. | Medicines are given to kill the specific disease-causing microorganism. |
| Antibiotics | Vaccines |
| Medicines given after the disease occurs to kill or inhibit microbes. | Biological preparations given before the disease to build immunity. |
| Congenital disease | Acquired disease |
| Disease present at the time of birth. | Disease developed after birth due to organ malfunction or pathogens. |
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