have ordered KN95 masks for children since their return from winter break, and after students, parents and teachers demanded them. For the most part, though, California parents who want their children ...

The CDC said a NIOSH-approved N95 provides the most protection. Well-fitting surgical masks and KN95 masks offer the next best protection, followed by cloth masks with multiple layers. Loosely ...

Certain masks are effective in protecting against wildfire smoke — but only if they are fitted and worn properly.