Wearing Masks Protects Wearer as Well as the Public

In its strongest endorsement to date about the effectiveness of masks, the CDC said "adopting universal masking policies can help avert future lockdowns, especially if combined with other non-pharmaceutical interventions such as social distancing, hand hygiene, and adequate ventilation."

CDC said the data regarding the "real-world" effectiveness of community masking are limited to observational and epidemiological studies, but seven separate studies have confirmed the benefit of universal masking.

CDC also cited an analysis by Goldman Sachs from June, which found that increasing universal masking by 15 percent could prevent the need for lockdowns, and reduce associated losses of up to $1 trillion or about 5 percent of gross domestic product.

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