What is the evidence on wearing masks to stop COVID-19?

-Eastern countries have advocated for the use of masks and have begun to contain the virus.

-Healthcare workers should receive masks first. That does not mean they are ineffective for the general population.

-Research shows masks are effective as stopping the spread of respiratory illnesses.

 
Masks are the new gold. Varying recommendations exist surrounding the use of N95 masks – the most popular commodity that has emerged in the face of this pandemic. Though all regions have universally aligned on the need for risk mitigation, the differences between recommendations on use of N95s is subtle but palpable.

While key Western institutions – the Centers for Disease Prevention and Control (CDC), Food and Drug Administration (FDA), and Surgeon General in the US and several other public health agencies in the West – advise against the donning of surgical or N95 masks by the general public, Eastern countries have strongly advocated for their use and have somehow begun to successfully contain the virus. Is there something we are missing?

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Πηγή: weforum.org