Covid infections, here’s how the Ffp2 mask protects more in closed and crowded places: “Risk drops to 0.1%”

The Ffp2 mask may become mandatory in some closed places. “I prefer it to surgery when I take the bus, train or go to the theater,” he explains Paolo D’Ancona, Senior Researcher in the Department of Epidemiology and Infectious Diseases of the Higher Institute of Health (ISS). “Compared to surgery it has two advantages. The first is that it is more adherent to the skin, so it lets less air pass where the virus might be present.