AstraZeneca’s vaccine is poised to become the leader in most of the world

While wealthy countries chase supplies of Pfizer’s and Moderna’s highly advanced mRNA vaccines, Oxford-AstraZeneca’s jab is set to take over the world. By contrast, the coalition will only distribute 1.2 million Pfizer vaccine doses, and only 18 countries will receive them. Although AstraZeneca’s vaccine has lower stated efficacy than Pfizer or Moderna’s, there are several reasons why it’ll play such a major role in the eventual end of the pandemic.