@BillGates: Today marks three years since Nigeria's last wild poliovirus case. This progress wouldn’t have been possible without the bravery of the young women who volunteer as polio vaccinators. https://t.co/Nmn2PoN5dv
http://twitter.com/BillGates
Today marks three years since Nigeria's last wild poliovirus case. This progress wouldn’t have been possible without the bravery of the young women who volunteer as polio vaccinators. https://t.co/Nmn2PoN5dv
— Bill Gates (@BillGates) August 21, 2019
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