CDC recommendation for double masking

The CDC now recommends double masking to prevent the spread of COVID-19, its first update to national face mask guidelines in months. The recommendation follows new CDC research, which shows that tight-fitting, multi-layer masks provide more protection against respiratory droplets, which drive the spread of COVID-19, than less secure options. On Feb. 10, the CDC released research that found wearing cloth face coverings over surgical masks, as well as tying […]