Some in US pushing for more COVID restrictions, masking, as Delta variant spreads July 7, 2021July 7, 2021
Newsom calls for Californians to ‘double down’ on wearing masks, state recommends double masking March 5, 2021March 4, 2021
The C.D.C. says tight-fit masks or double masking with cloth and surgical masks increases protection. February 10, 2021February 10, 2021
CDC updates coronavirus face mask guidance, endorses ‘double masking’ February 10, 2021February 10, 2021