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La importancia de cubrirse la boca en la era covid-19

One question, answered: Do I really need to wear a mask whenever I’m around people?

The Centers for Disease Control and Prevention recommends that Americans wear masks outside the home primarily to protect the community, not themselves. A simple cotton mask might not stop much from coming in, but it can stop up to 99 percent of particles from exiting into the air.

Countries that have universally committed to wearing masks have seen clear drops in their infection numbers. In the United States, wearing masks for the public good could effectively halt the virus: Models suggest that if just 80 percent of the population protects those around them, the rate at which the coronavirus spreads could plummet to a stop.

Link: The Real Reason to Wear a Mask (Visto en el newsletter de The Atlantic)