Airline NewsQatar Airways to Operate World’s First Fully COVID-19 Vaccinated FlighttimonlineApril 7, 2021April 17, 2021 by timonlineApril 7, 2021April 17, 2021018 🔊 Listen to this Qatar Airways continues to lead the recovery of international travel, operating the world’s first fully COVID-19 vaccinated flight. QR6421 departed Hamad