If this loss of connectivity were translated into an actual loss of connecting passengers and scaled up to the Top 50 airports in the world this in itself would reduce the number of international connecting passengers by over 70 million.
IATA recognizes such comprehensive screening will become the new normal to ensure the virus does not resurface.
Korean Air will reopen select Chinese routes in May; China Eastern will sell inflight meals in supermarkets.
About 576,000 people in March passed through HKIA, compared with 6.39 million in the same month last year.
China Southern Airlines started Sunday to move another 50 percent of its total flights in Beijing to Daxing airport.
The Airport Authority Hong Kong will fund a HK$2 billion purchase scheme for half a million air tickets.
Chengdu will welcome 10 of the outbound flights, while 13 will fly into Guangdong province and 10 to Hainan province.
Robots have been used at the airport to sanitize and clean public areas like toilets.
