“…Ko et al [29] emphasized the intermediate and long-term sequelae of COVID-19 with aeromedical significance and proposed corresponding recommendations for the aeromedical examiner to evaluate pilots and their performance. Li [31] summarized interactions of air transportation and COVID-19, introduced aviation bailout and its effectiveness, and discussed relationships between aviation and economic growth. Arena and Aprea [3] analyzed major consequences of the pandemic on air transport, especially about negative economy impacts on different markets and positive contributions of travel reduction to air pollution.…”