relaxed woman with kn95 ffp2 face mask using smart phone app. train passenger with protective mask traveling sitting in business

app bus business caucasian class commuter corona coronavirus covid19 face ffp2 first girl going holding italian kn95 latin mask metro mexican mobile mobility modern pandemic passenger people person phone protective public railroad relaxing safely seat sitting smart smartphone surgical technology texting train transport transportation travel virus wifi wireless woman work young asymptomatic crisis curfew high alert increase cases infected isolated lockdown outbreak positive quarantine safe second wave shutdown social distancing spreads state of calamity symptomatic symptoms vaccine