@BillGates: It’s easy to forget how scary polio was in the United States and around the world. This is a powerful reminder. https://t.co/P22TxXJEW4

http://twitter.com/BillGates

It’s easy to forget how scary polio was in the United States and around the world. This is a powerful reminder. https://t.co/P22TxXJEW4

— Bill Gates (@BillGates) Aug 25, 2022