In the world of blatant national interest, refrigeration isn’t the only hurdle for a mass vaccine As the next few months unfold, the world will watch rich nations vaccinate their populations while many people will continue to die in developing countries. Representational image. | Dado Ruvic / Reuters I listen to the World Service news each morning, and I was excited the other day that they said they were going to do a piece on vaccine access in developing countries later in the show. I was pleased as 95% of the coverage of the vaccines issue I have heard seems to completely forget developing countries.