Question

why should we avoid standing close to a patient suffering from tuberculosis while he/she is coughing ?

Answer 1

Answer:

so we can not get infected and tuberculosis is a airbone disease

Answer 2

Answer:

Tuberculosis is a contagious disease.

Explanation:

It spreads from touching contaminated surfaces, the droplets of contaminated coughs or sneezes. We should avoid going near the patient so that we don't catch the disease.