Also called a medical face mask, a surgical mask is a loose-fitting disposable mask that protects the wearer’s nose and mouth from contact with droplets, splashes and sprays that may contain germs. A surgical mask also filters out large particles in the air. Surgical masks may protect others by reducing exposure to the saliva and respiratory secretions of the mask wearer.
It is intended to be worn by health professionals during healthcare procedures, as well as, by general public these days to avoid any contamination of spreading germs.

Surgical mask is intended to be worn by medical personnel during surgical or other medical procedures to protect both the patient and the operating personnel from transfer of microorganisms, body fluid and particulate material transfer.