As the disease affects the body, the functioning of body organs can be a concern, and medication needs which can cause side effects including allergies. There are certain diseases that can not be treated so the prevention is better than cure.
- When someone is ill, person body functions get weakened and can never fully recover.
- It takes time to cure a disease and the person is likely to be in bedridden for some time, even though adequate care is provided to him.
- The person with an infectious disease will serve as the medium for further spreading the infection to others.