Ключевые слова: abroad, airport, approved, boarding, border pass, care, certificate, coronavirus, countries, covid, covid19, covid2019, disease, doctor, document, eu, europe, european, evidence, form, german, health, health care, holiday, identity, immigration, injection, international, medical, medicine, pass, passenger, passport, people, prophylaxis, provider, standard, travel, travel vaccination, traveler, traveling, trip, vaccinate, vaccinated, vaccination, vaccination certificate, vaccine, world, yellow,