Extensive research reveals the CDC's weekly publication drew unsupported conclusions about mask effectiveness based on low-quality observational studies.

The director of the CDC has suggested that the health agency could soon issue a new mask guidance during a news briefing Wednesday. The change could be announced as soon as next week, as White House ...

NEW YORK -- Several states and a string of local leaders are holding off on changing their mask mandates following the Centers for Disease Control and Prevention's new guidance that allows fully ...