Question

Which of the following factors can increase chances of spread of air-borne diseases?

• A. Overcrowded conditions
• B. Poor ventilation
• C. Poor drinking water quality
• D. Sexual intercourse

Answer 1

Answer: (A), (B)

The correct options are
A Overcrowded conditions
B Poor ventilation

Chances to catch an air-borne infection increases, if a healthy person stays closer to an infected person. In closed areas, infected droplets of patient recirculates and increases the risk of infection for healthy individuals. Hence, overcrowded condition and poor ventilation can be major causes for air-borne infections, like tuberculosis.