Yet another CDC study touts the effectiveness of double masking
Yet another CDC study touts the effectiveness of double masking Recommendations haven't changed... yet. FacebookTwitterEmail U.S. government researchers announced the results of another study showing that wearing two masks is an effective strategy in slowing the spread of COVID-19, but have not announced any changes to mask recommendations. Centers for Disease Control epidemiologist Dr. John Brooks told the AP that a single 3-ply or cloth mask blocked 40% of particles when inhaling and 80% when exhaling. A double mask, in comparison, blocked 95% of particles when inhaling and when exhaling. ...