> There is already the logistic capacity to ship in the proper conditions between these locations and a few central hubs. It just has to be run in reverse. You

> There is already the logistic capacity to ship in the proper conditions between these locations and a few central hubs. It just has to be run in reverse. You can't just duplicate existing routes. The logistics to collect unused vaccines from endpoints (on an insanely tight clock), would be enormously complex. We'd be setting that up on a nationwide scale, in the middle of a worldwide transportation shortage. Further increasing exportable vaccine production would seem to be a more attainable goal.