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2 masks are better than 1 to protect against the new and more contagious COVID-19 variants

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2 masks are better than 1 to protect against the new and more contagious COVID-19 variants

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Face masks help prevent you from spreading the coronavirus. But can they prevent you from catching it?

Face masks help prevent you from spreading the coronavirus. But can they prevent you from catching it?

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Pantyhose? Toilet paper? Coffee filters? Which materials make the best masks to stop the coronavirus?

Pantyhose? Toilet paper? Coffee filters? Which materials make the best masks to stop the coronavirus?

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