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Aug 18, 2025 · Wearing a mask can help lower the risk of respiratory virus transmission. When worn by a person with an infection, masks reduce the spread of the virus to others.

A mask is an object normally worn on the face, typically for protection, disguise, performance, or entertainment, and often employed for rituals and rites. Masks have been used since antiquity for …

Mask, a form of disguise or concealment usually worn over or in front of the face to hide the identity of a person and by its own features to establish another being. This essential characteristic of hiding and …

May 7, 2025 · Your lungs are directly exposed to the environment. Sometimes the air you breathe is unhealthy. Learn how you can protect your lungs by wearing a mask.

Take a 1-hour WHO course that tells you when, where and how to wear a mask in community settings. Find out more about the science of how COVID-19 infects people, and our bodies react, by watching …

Oct 29, 2025 · Face masks can help slow the spread of coronavirus disease 2019 (COVID-19). Learn about mask types, which masks to use and how to use them.

Sep 23, 2025 · Research suggests wearing a mask is a highly effective way to protect yourself and others against COVID-19, the flu and other respiratory infections.

Mar 25, 2025 · What to know Air purifying particulate respirators and masks work by removing particles and blocking droplets. This reduces exposure to harmful respiratory hazards. Correctly wearing a …

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