Sommariva, S., Bon, H.B., de Almeida, S. C., Fol, N., Brouwers, S., Sani, M....Mote, J. (2022). Online conversations on COVID-19 vaccines in Eastern and Southern Africa: a longitudinal analysis of social listening data. VARN2022 Shaping Global Vaccine Acceptance with Localized Knowledge - Sabin Vaccine Institute.