A surgical mask, also known as a medical mask, is a loose-fitting disposable device that is worn over the nose and mouth to protect against the transmission of airborne particles, including respiratory droplets and aerosols.
Surgical masks are typically made of multiple layers of non-woven fabric material that filter out large particles and droplets, but not necessarily smaller particles such as those found in aerosols. They are designed to be worn by healthcare professionals during surgical procedures, to prevent the spread of infectious diseases from the wearer's mouth and nose to the patient and vice versa.
During the COVID-19 pandemic, level 3 face masks surgical masks have been widely used by the general public to reduce the spread of the virus. However, it's important to note that surgical masks are not designed to protect the wearer from airborne particles, but rather to protect others from the wearer's respiratory droplets. Therefore, it's important to use other measures, such as social distancing and hand hygiene, in combination with wearing a surgical mask to reduce the risk of transmission.
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