While Beijing arranged emergency flights to repatriate its citizens stranded abroad as the virus spread around the world, demand has far outstripped supply.
A second flight from Frankfurt to Shanghai is scheduled for June 3.
“It took us three weeks to organise the first flight. Being realistic, if every two weeks a flight will leave, that would be a good thing,” Jens Hildebrandt of the German Chamber of Commerce in North China told AFP earlier this week.
All international arrivals in China are currently required to undergo a COVID-19 test and complete a mandatory quarantine.