(FILES) In this file photo airline pilots wearing face mask arrive at TSA PreCheck for an outbound flight at Los Angeles International Airport, March 13, 2020.  Mask wearing, temperature controls, disinfection of aircraft: the International Civil Aviation Organization on June 1, 2020 published a series of health recommendations for a pandemic-hit airline industry as it relaunches air travel. The protocol was drawn up by an international task force formed by the Montreal-based ICAO with the help of other UN agencies like the World Health Organization and the powerful International Air Transport Association (IATA). / AFP / Robyn Beck
The International Civil Aviation Organization on June 1, 2020, published a series of health recommendations for a pandemic-hit airline industry as it relaunches air travel. The protocol was drawn up bShow more

Global long-haul air travel unlikely to recover to pre-crisis levels before 2023