Here are some of the biggest challenges along the way:Cargo CapacityThere are around 2,000 dedicated freighters in use, carrying about half of all goods moved by air.
The remainder typically goes in the bellies of the world’s 22,000 regular jetliners.While the freighters are full, air-cargo volume has tumbled this year because so much belly capacity is sitting idle.
Airlines have drafted about 2,500 passenger planes into cargo-only roles, but the job of distributing the vaccine would be easier if fleets were flying with usual frequencies to their usual destinations.At the start at least, space will be limited.
The massive undertaking is expected to begin at a peak time for cargo carriers, right as the online Christmas shopping frenzy,.