Mobile Money and the importance of timely, complete payments to frontline health campaign workers in the fight to eradicate polio: pilot experience from a World Health Organization digital payment platform in Africa

移动支付对于及时、足额支付一线卫生工作者在根除脊髓灰质炎斗争中的重要性：来自世界卫生组织非洲数字支付平台的试点经验