NPR News: Even Moderate COVID Restrictions Can Slow The Spread Of The Virus — If They're Timely

Even Moderate COVID Restrictions Can Slow The Spread Of The Virus — If They're Timely
Mask mandates and other interventions can help stop a surge, even where vaccination rates are low, say scientists who combed through states' data. When they start and how long they last matters.

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Làm đẹp Blog 247 August 17, 2021 at 04:00PM
Category Science