countries is a �*stain on our global soul'. naomi grimley reports. 2021 was the year eight billion vaccines were administered across the world. but the vast majority have been given in richer countries. only one in four african health care workers have been vaccinated, for example. and a former british prime minister thinks that should shame us all. it is really a stain on our global soul. because we have had a surplus of vaccines created in one part of the world, and indeed stockpiling, and we have a severe shortage in the other part of the world where only 3% have been vaccinated in low—income countries. and it affects us all, because i think people are starting to realise that if we allow the disease to spread in poor countries and then mutate, it comes back and it haunts even the fully vaccinated. mr brown wants world leaders to try again at the start of the new year to make vaccination across the world a priority. the world health organization says