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.
Maximizing Fit for Cloth and Medical Procedure Masks to Improve Performance and Reduce SARS-CoV-2 Transmission and Exposure, 2021
How to Wear a Face Mask (Infographic)
Myths and facts when it comes to wearing masks, Beyond the Headlines
N95 Masks vs. Surgical Masks: Which Is Better For COVID-19? – Smart Air
The Best Face Masks to Protect You From Omicron
Rhode Islanders show we are all in this together — even the Big Blue Bug - The Boston Globe
Study on masks vs N95 respirators for health workers spurs concerns
Do Pollution Masks Really Work? – Smart Air
Are Reusable Polypropylene Bags Effective as DIY Face Masks for COVID-19 prevention? – Smart Air
How to wear a surgical mask to capture viruses? Should the blue side be in or out? - Smart Air
COVID-19, RSV and the flu: How to protect yourself from respiratory viruses - Sinai Health
Are Reusable Polypropylene Bags Effective as DIY Face Masks for COVID-19 prevention? – Smart Air
COVID-19 Delta Variant: Must Know Protection Tips – Smart Air
Face Masks and COVID-19
IN THE WIND / AN-FACE MASK - 帽子