PMC7952778_01
PMC7952778_02
Flowchart of events.. COVID-19: coronavirus disease 2019.
aoem-33-e1-g001.jpg
PMC7952778_02_aoem-33-e1-g001.jpg
F1
Air shut down its Incheon Operation Center on February 25, 2020 and disinfected the aircrafts. All 30 crew members entered self-quarantine for 2 weeks, which was later extended by an additional week after the second flight attendant was diagnosed with COVID-19 (Fig. 1).