people with surgical mask using smartphone at train station

antibodies antiviral booster business busy cellphone cellular certificate city commuter copy corona coronavirus covid19 delta digital face ffp2 girl glaxo green kn95 lockdown mask merck mobile molnupiravir monoclonal pandemic pass passenger passport people person phone pill plus protective sanitary smart smartphone space station student train transportation travel traveler university using vaccination vaccine variant virus waiting walking wave woman xevudy young