Question

Write about any three communicable diseases, their causes, transmission, effects and symptoms in a tabular form.

Answer 1

Diseases:

1. Diseases are the abnormalities in our body which cause discomfort due to the organs being affected.

Communicable diseases:

1. Diseases are of two types- Communicable disease and Non-communicable disease.
2. The diseases that can be spread from one person to another through either direct or indirect contact are called Communicable diseases.
3. Examples: Tuberculosis, Influenza and Cholera

Communicable disease	Causative agent	Transmission	Effects and Symptoms
1. Tuberculosis	Bacteria (Mycobacterium tuberculosis)	Air	For lungs: coughing and chest pain Symptoms vary for other parts
2. Influenza	Influenza Virus	Air droplets	Fever and body ache
3. Cholera	Bacteria (Vibrio cholerae)	Contaminated food and water	Vomiting, acute diarrhoea, extreme thirst, muscle cramps.