Thomas Frieden, a former CDC director who now leads the nonprofit health initiative Resolve to Save Lives, and his colleague Dr. “Use of face masks has emerged as a powerful tool to reduce the health and economic harms of the pandemic,” Dr. In Taiwan, where officials ramped up mask production just a few weeks after the WHO announced the existence of the novel coronavirus, only seven people have died of COVID-19. Widespread mask use is credited with keeping the COVID-19 death toll in the double digits in places such as New Zealand (25 deaths to date), Singapore (28 deaths) and Vietnam (35 deaths).

Centers for Disease Control and Prevention and other public health authorities say it’s important to wear a mask whenever you’re in close contact with people from other households, even if you don’t feel sick.

That’s why the World Health Organization, the U.S. People with active infections are most contagious in the first few days after exposure, often before they develop symptoms. If either of these makes its way into the respiratory tract, an infection can take off. Scientists say the coronavirus moves from person to person mainly through the air, either on respiratory droplets or smaller, aerosolized particles. It’s not as if there’s no reason to believe masks can prevent the spread of COVID-19. If nearly all Americans would wear face masks when they leave their homes, they could save over 100,000 lives by the end of February, a study says. New forecasts show why masks are the easiest - and cheapest - way to save U.S.

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