Here's Why Developing Countries Can Make mRNA Covid Vaccines

Across the developing world, hundreds of millions of people are unable to get a vaccine to protect themselves from the ravages of Covid-19, and millions of them have already become infected and died. Depending on wealthy nations to donate billions of doses is not working, public health experts say. The solution, many now believe, is for the countries to do something that the big American mRNA vaccine makers say is not feasible: Manufacture the gold-standard mRNA shots themselves.