ICSE Class 9 Answered
Expert Answer
Hi Riya,
Differences between infectious and non-infectious diseases are as follows:
|
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 |
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