A Hybrid Model for the Impact of COVID-19 Prevention Measures on the Sustainable Development of the Aviation System

<div>Medical costs when 55% of passengers are wearing masks. Blue, orange, and yellow represent different airport facilities, respectively. The solid, hollow, and slash of the histogram represent different social distances, respectively.</div>

Mathematical Problems in Engineering

fig10

Figure 10

Figure 10: A Hybrid Model for the Impact of COVID-19 Prevention Measures on the Sustainable Development of the Aviation System 