Despite the new guidance, Germany as the EU’s most populous country and top economy said it had no plans to lift the mask mandate for flights…reports Asian Lite News EU-wide…
A surgical mask prevented 59 per cent of respiratory aerosols from a cough, whereas a three-layer cotton mask blocked 51 per cent, and a N95 mask blocked up to 95…
To test the fitted filtration efficiency (FFE) of a range of masks, the researchers worked with James Samet and colleagues in the USEPA Human Studies Facility on the campus of…
