Synonyme wurden verwendet für:
COVID 19
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keywords:("COVID 19")
COVID-19 pandemic and air transportation: Successfully navigating the paper hurricane
Technological and educational challenges towards pandemic-resilient aviation
How did COVID-19 impact air transportation? A first peek through the lens of complex networks
Delayed reaction towards emerging COVID-19 variants of concern: Does history repeat itself?
Vaccination passports: Challenges for a future of air transportation
Ghostbusters: Hunting abnormal flights in Europe during COVID-19
COVID-19 and bailout policy: The case of Virgin Australia
Exploring the roles of high-speed train, air and coach services in the spread of COVID-19 in China
‘Wild Your weekends' promotion and its effect on traffic recovery during COVID-19 pandemic
Assessing regional risk of COVID-19 infection from Wuhan via high-speed rail
Influence of transportation network on transmission heterogeneity of COVID-19 in China