While we’ve been wearing masks all day errday in Hong Kong for months due to the Covid-19 pandemic ... problems associated with conventional designs, such as breathing difficulties and ...

In a nutshell A sensor-equipped face mask detected chronic kidney disease (CKD) with over 93% accuracy by analyzing compounds ...

Surgical face masks help prevent the spread of airborne pathogens and therefore were ubiquitous during the COVID-19 pandemic.

The two-layer design is protective ... that fully vaccinated people could go in public places without masks, the spread of the COVID-19 Delta variant has caused the CDC to implement new mask ...

If there is a winter COVID surge in the community or the emergence of a new variant, then any temporary adoption of masks among teenage students can be quickly deployed and quickly abandoned in ...

The problem is that people who wear these masks usually don't wear them properly. Dr. Syra Madad: "The coronavirus came from bat soup." [Morse sighs] That is absolutely not correct. Morse ...