certification, app, bus, certificate of vaccination, closeup, concept, corona virus, covid-19, covid-19 vaccination, device screen, digital green pass, document, eu, eu digital certificate, europe, green pass, green passport, hand, health passport, holding phone, immunity pass, immunity passport, immunization certificate, inside, italian, italy, mobility, passenger, protection, public transport, qr code, queue line, restaurant table, safety, screen, smartphone, street, transport, transportation, travel, travel pass, travel restrictions, traveler, trip, urban, vaccination, vaccination certificate, vaccine, vaccine passport, virus
