TOPSHOT - A commuter wears an FFP2 protective face mask on a public transport underground train in Vienna on January 25, 2021, during the ongoing novel coronavirus (Covid-19) pandemic. - Austria has decided to impose from January 25 a social distancing rule of two meters between each person in public places, instead of one meter until now. Wearing FFP2 masks will now also be compulsory in stores and on public transport. (Photo by ALEX HALADA / AFP)