Exactly how the coronavirus is spread – 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 sized aerosols are produced that penetrates and spreads into the room air.
P3 masks are equivalent to FFP3 masks and effectively used against very fine respirable dust. They may also help against certain viruses. P3 masks are used in work environments like welding, soldering, and woodworks. When in doubt, opt for the highest-level safety offering dust masks. P is a European rating assigned that designates protection against particles dissolved or not dissolved in air.
Coronaviruses (CoV) are a large family of viruses that cause illness ranging from the common cold to more severe diseases such as Middle East Respiratory Syndrome (MERS-CoV) and Severe Acute Respiratory Syndrome (SARS-CoV).