Yes, Masks Are Still Necessary

Short of a total lockdown, universal mask-wearing is the most effective way to slow the relentless rise in hospitalizations and deaths from Covid-19.
Source: NYT Health - Category: Consumer Health News Authors: Tags: Coronavirus Risks and Safety Concerns Protective Clothing and Gear Masks Content Type: Service Coronavirus (2019-nCoV) Vaccination and Immunization Filters Centers for Disease Control and Prevention Proceedings of the National Academy of S Source Type: news