[The use of facial masks: updated information after Covid-19].

. The use of facial masks: updated information after Covid-19. Preventive spread of infections to and from healthcare workers and patients relies on effective use of personal protective equipment. During the Covid-19 epidemic, different, often conflicting indications were given, based on evolving knowledge on the spread mechanism of the virus. In this contribution the most up to date indications on the use of facial masks by health care workers and general population, for the prevention of contagion are discussed and confronted.