Ключевые слова: airplane, airplane security, airport, certificate, concept, control, coronavirus, covid, covid19, digital, disease, document, epidemic, flat lay, flying, health, health care, identification, illness, immune, immunity, immunization, infection, international, medical, medicine, outbreak, pandemic, passport, phone, prevention, proof, protection, quarantine, safety, security, smartphone, solution, test, tourism, travel, trip, vacation, vaccination, vaccine, virus, virus protection, world security, world travel,