New C.D.C. Guidelines Suggest 70 Percent of Americans Can Stop Wearing Masks

New C.D.C. Guidelines Suggest 70 Percent of Americans Can Stop Wearing Masks
By Apoorva Mandavilli from NYT Health https://ift.tt/1BxGYHt
your-feed-science, Masks, Coronavirus Risks and Safety Concerns, Coronavirus (2019-nCoV), Centers for Disease Control and Prevention