%0 Journal Article %K General Medicine %B The Lancet %D 2021 %G eng %I Elsevier BV %N 10315 %P 1963 %R 10.1016/s0140-6736(21)02643-x %T Beyond COVID-19: scaling up and sustaining mobile health in Africa – Authors' reply %U https://www.thelancet.com/action/showPdf?pii=S0140-6736%2821%2902643-X %V 398