Potwierdzone naukowo: noszenie dwóch maseczek znacząco zwiększa ochronę
![Potwierdzone naukowo: noszenie dwóch maseczek znacząco zwiększa ochronę](https://wykop.pl/cdn/c3397993/link_1612994621XUJPmU8BF3aBzcKvSUPTXZ,w220h142.jpg)
Upgrading your mask can really make a big difference, according to a study published Wednesday by the Centers for Disease Control and Prevention. Wearing a double mask or fitting a single mask more closely on the face substantially reduces the risk of infection with the Covid-19 virus,...
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