Ключевые слова: airport, america, boarding pass, border, business, card, caucasian, cdc, check, check in, control, disease, display, document, flight, gate, hand, hhs, holiday, id, identification, identity, immigration, immune, immunization, international, pandemic, passenger, passport, proof, record, regulation, requirement, rule, security, shot, showing, travel, traveller, trip, united states, united states passport, usa, vacation, vaccination, woman,