Ключевые слова: app, car, cell, certificate, certification, concept, control, coronavirus, covid, covid19, device, digital, disease, document, epidemic, hand, health, healthy, immune, immunity, immunization, international, lockdown, pandemic, pass, passport, phone, prevention, protection, qr code, quarantine, restrictions, safety, screen, security, show, smartphone, technology, tourism, tourist, transport, travel, travel pass, travel restrictions, traveler, vaccination, vaccine, virus, wehicle, woman,