Africa is banking on COVID-19 mass vaccination campaigns to realize the African Union's goal of vaccinating 70 percent of the continent's population by the end of the year to achieve herd immunity. To that end, the continent launched through the Africa Centers for Disease Control and Prevention the Saving Lives and Livelihood program, a mass vaccination campaign. The program began last year and is a partnership between MasterCard Foundation and the Africa CDC. MasterCard is financin...