UAE: Masks not mandatory in most public places
With regards to face masks, he said that they are still mandatory in medical facilities, mosques and public transportation, as well as
Third-wave fear on ‘CLOTH MASK’
A surgical mask prevented 59 per cent of respiratory aerosols from a cough, whereas a three-layer cotton mask blocked 51 per cent,
STUDY: Double masking gives double protection
To test the fitted filtration efficiency (FFE) of a range of masks, the researchers worked with James Samet and colleagues in the