In many countries, this directive has been extended on shopping malls or public transportation. Strategy to wear protective masks during the COVID-19 crisis.
Several option Face masks protecting from infections:
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Respiratory masks are protective devices covering a part of the face. They are designed to protect both the person who wears them and the immediate environment from breathable pollutants (respiratory poisons or bacterial/viral pathogenic organisms).
Different masks can be classified as full masks, and half and quarter masks. While a full mask covers the whole face, a half-mask fits from under the chin to above the nose, a quarter mask fits from the top of the nose to the top of the chin. The breathing resistance varies proportionally to the density of the mask material.