Question

2. Rahul was suffering from cold and cough. Doctor advised his sister to avoid sitting near him for
next few days.
2.
i. Why did the doctor advised Rahul's sister to do so?
ii.How do overcrowded area and poor ventilation of house contributes to spread of such
disease?

Answer 1

Explanation:

1)because cold and cough are viral and bacterial diseases respectively and they are communicable diseases i.e. disease can spread from one person to another.

2)overcrowded and small areas makes people to come closer to each other and makes them to have contacts such as physical touch.since these diseases are communicable they spread at higher rate in such areas.