young business woman wearing kn95 ffp2 face mask at train station. young caucasian woman with behind timetables of departures

airport board business certificate commuter corona coronavirus covid covid19 digital distancing face ffp2 flight gate girl green health insurance kn95 looking mask medical mobile mobility mutation new omicron pandemic pass passenger passport people person phone policy ppe protective refund rights sanitary smart smartphone social station technology tested timetables train transportation travel traveler using vaccination vaccine variant virus watching wearing woman yellow