Les masques, ça marche. Vraiment. On va vous montrer remark.

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Les masques, ça marche. Vraiment. On va vous montrer comment.

"It has become clear that, while sheet masks aren't as effective as FFP2, they still help reduce transmission," said Linsey Marr, aerosolization expert at Virginia Tech University. "Even if you don't get a 95% reduction, it's still better than nothing."

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