@BillGates: Here are five things you should know if you want to understand how variants are (and aren’t) complicating the pandemic. https://t.co/rANiDcZynJ

http://twitter.com/BillGates

Here are five things you should know if you want to understand how variants are (and aren’t) complicating the pandemic. https://t.co/rANiDcZynJ

— Bill Gates (@BillGates) March 31, 2021