In March, the United States, Britain and members of the European Union blocked a World Trade Organization proposal backed by roughly 80 nations, including India and South Africa, to waive patent protections for coronavirus vaccines. The WTO plans to revisit the issue in May.
As pandemic surges anew, global envy and anger over U.S. vaccine abundance
https://www.washingtonpost.com/world/2021/04/24/coronavirus-vaccine-us-anger-inequality/