On Jul. 29, 2021, the University of Oxfordﾒs and AstraZeneca announced that one billion doses of the ChAdOx1 nCov-19 coronavirus vaccine had been released, to more than 170 countries, marking a key milestone as part of the University and AstraZenecaﾒs joint vision to make the available to the world, on a not-for-profit basis for the world during the pandemic, and in perpetuity for low- and middle-income countries.