(CNN) -- The US Centers for Disease Control and Prevention updated its mask information for the American public on Friday, including clarifying that certain types of masks and respirators offer more ...

California's statewide mask mandate was originally set to expire on January 15 but has been extended to February 15 as COVID-19 cases spike due to the Omicron variant. When it comes to the type of ...

A computer model deepens our understanding of airflow while wearing face masks, where particles land in the respiratory tract and the effectiveness of three-layer surgical masks. Even though it has ...