How to wear a surgical mask to capture viruses? Should the blue

Does wearing a surgical mask with the wrong side out affect its ability to capture viruses? We tested four surgical face masks to find out if the blue or white side should face out.

Face Masks and COVID-19

How to wear a surgical mask to capture viruses? Should the blue side be in or out? - Smart Air

Are Reusable Polypropylene Bags Effective as DIY Face Masks for COVID-19 prevention? – Smart Air

Do DIY Cloth Masks Protect Us From COVID-19? – Smart Air

Masks for Coronavirus May Be Lowering Blood Pressure for Millions – Smart Air

COVID-19 Delta Variant: Must Know Protection Tips – Smart Air

How to Put on and Remove a Face Mask - Disease Prevention and Control, San Francisco Department of Public Health

Masks Help Filter Pollen and Prevent Hay Fever - Smart Air

When and how to use masks

Do Pollution Masks Really Work? – Smart Air

COVID-19 Delta Variant: Must Know Protection Tips – Smart Air

Microstructure analysis and image-based modelling of face masks for COVID-19 virus protection