| Infectious diseases | Non-infectious diseases |
| 1. Caused due to attack of pathogens | 1. Caused by factors other than pathogens |
| 2. Caused due to extrinsic factors | 2. Caused due to intrinsic factors |
| 3. Transmitted from one person to another | 3. Do not get transmitted from one person to another |
| 4. Transmission of diseases occurs through direct contact or some medium (air, water, vectors) | 4. Transmission in case of hereditary diseases is from parent to offspring |
| 5. Community hygiene can reduce the occurrence of these diseases | 5. Community hygiene is ineffective in reducing the occurrence of these diseases |
| E.g. Cholera, Malaria | E.g. Diabetes, Goitre |
I.9.8 Infectious and non-infectious diseases.
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Self Study for UPSC
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