The Centers for Disease Control and Prevention (CDC) has changed its guidelines about masks and respirators a number of times over the past two years and gave its most recent update on January 14, ...

Valve masks are a type of N95 mask with a one-way valve. The novel coronavirus pandemic brought society a new definition of normal which now includes wearing face masks. While the benefits of masks ...

The stance by the Centers for Disease Control and Prevention (CDC) on face masks has taken many twists and turns throughout the COVID pandemic. After initially claiming face coverings weren’t ...

A team of researchers says it has demonstrated that discarded surgical masks can be converted into value-added chemicals through a pyrolysis thermal decomposition process. The international team of ...

The stance of the Centers for Disease Control and Prevention on face masks has taken many twists and turns throughout the COVID pandemic. After initially claiming face coverings weren’t necessary, the ...