Exactly how the coronavirus is spread – whether above all via a droplet infection or rather about aerosols in the breathing air is not yet definitively clarified. When a corona patient coughs, speaks, or sneezes, a beam of different sizes is produced that penetrates and spreads into the room air.
Everybody is wondering nowadays what type of face mask can prevent the spread of the coronavirus in different surroundings and circumstances. Why is it important for our protection, and even became mandatory in some states and countries?