In the short history of Covid-19 there have been many conflicting theories regarding the role face masks play in the prevention of its spread. People are often left uncertain and lack knowledge regarding the proper use of face masks: who should use them and how to use them properly. You might find yourself under the impression that it is enough to put one on and job done. Nothing could be farther from the truth! You have to equip yourself with detailed knowledge on this seemingly simple subject. But never fear! Our expert, Tomasz Rożek from Science [Nauka], will explain all you need to know in order to protect yourself against the virus.