Ключевые слова: abroad, aeroplane, aircraft, airline, airplane, airport, arrival, boarding, business, departure, face mask, flight, fly, health, health care, healthcare, holiday, jab, journey, lateral flow, mask, negative, passenger, plane, precaution, prevention, protective mask, quarantine, restriction, restrictions, safety, tourism, tourist, transport, transportation, travel, travel ban, travel restrictions, traveler, traveling, trip, vacation, vaccinated, vaccine, virus,