Question

Differentiate between Infectious and Non-Infectious diseases.

Answer 1

Infections Disease

1. They are communicable diseases.
2. They are caused by external factors. Invading pathogens such as bacteria, viruses, vectors, parasites, etc.
3. E.g. Cholera, Malaria, Chickenpox.

Non-infectious disease

1. They are non-communicable diseases
2. They are caused by internal factors.
   1. Malfunctioning of organs,
   2. Genetic causes,
   3. Hormonal imbalance and
   4. Defective Immune system
   5. E.g. Cancer, Diabetes.