FILE PHOTO: Airline staff wear personal protective equipment (PPE) to protect against coronavirus disease (COVID-19) disease as they work at Beijing Capital International airport in Beijing, China March 13, 2022. REUTERS/Soe Zeya Tun
FILE PHOTO: Airline staff wear personal protective equipment (PPE) to protect against coronavirus disease (COVID-19) disease as they work at Beijing Capital International airport in Beijing, China March 13, 2022. REUTERS/Soe Zeya Tun