Healthcare COVID-19 vaccines and the supply chain challenges Updated : October 21, 2020 09:55 AM IST The exponential contagiousness of the pandemic that compelled lockdowns caused an unprecedented hindrance to most businesses. The aviation and air travel sector has been the worst hit. Meanwhile, air cargo was not as severely affected as air travel. However, the logistics and supply chain have been impacted due to the reduction in cargo volumes. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.