Ok, my 2 cents. This happened because there isn’t enough vaccines in third world countries. They can’t afford them. The moral of the story? It doesn’t matter if you 100% vaccinate your western country. We’re all in this together. When COVID spreads in Africa and makes a new strain, it may as well be on your own doorstep. The world needs to step up and distribute vaccines to every corner of the globe, for FREE, or we’…
This is better said as "they are not produced fast enough". That will lead you directly to the solution, instead of losing time discussing the price.
It's a very similar thing, the price poor countries pay is not enough to justify investing in extra productive capacity. There is a confounding factor that new capacity takes a long time to arrive, but even when that is taken into account, there are just not enough vaccines and there won't be on the near future.