Question

why is it asked to cover ones mouth and nose with handkerchief while coughing and sneezing?​

Answer 1

Answer:

Covering your cough is important because it cuts down on the spread of germs. Covering your mouth when you cough or sneeze with your elbow or a tissue will greatly reduce the number of germs that are able to spread to people and objects around you.

Answer 2

Explanation:

While coughing and sneezing, it is always recommended to close our mouth so that the germs and bacteria cannot be reached to others who are our near.