High-grade FFP2 masks to ward off coronavirus infection are no longer required on public transport in the southern German state of Bavaria, a move that prompted criticism from the country’s health minister on Saturday. The new policy, which went into effect on Saturday, allows passengers to use buses and commuter trains if they are only wearing medical masks. Medical masks do not provide the same level of protection against airborne particles as FFP2 masks, which are equivalent to the N95 or KN95 masks used in some other countries. “We’re going to rely more strongly on citizens’ individual res…