Bill Gates: Great visit to Nigeria and Chad with my friend @AlikoDangote this week to talk about the importance of eradicating polio, getting life-saving vaccines to children, and improving primary healthcare.

Great visit to Nigeria and Chad with my friend @AlikoDangote this week to talk about the importance of eradicating polio, getting life-saving vaccines to children, and improving primary healthcare. pic.twitter.com/Gfz4ULjAVu

— Bill Gates (@BillGates) March 27, 2018

Source: Twitter