What could be the challenges in vaccine distribution for Covid-19?

Question

Considering, the vaccine is probably the only long lasting solution, what could be the challenges in vaccinating the world population.

buboard · Accepted Answer

- production at scale- rivalry about countries to acquire it first- .. followed by unwillingness of low-risk populations to be vaccinated for safety reasons- backlash after the first side-effects are found

babygoat · Answer

Profiteering.