The UK Health Security Agency (UKHSA) on Wednesday said it couldn’t find evidence on whether N95 or similar masks can protect clinically vulnerable people from getting serious illness from COVID-19.
Unlike a regular loose-fitting surgical mask, an N95 respirator is designed to fit tightly to form a seal around the nose and mouse. It’s also very efficient in filtering airborne particles.
In a previous publication on the effectiveness of face coverings, the UKHSA said that low-quality evidence suggested N95 respirators (or equivalent) may be more effective than surgical masks in preventing the wearer from being infected with coronavirus in healthcare settings….