Geneva: World Health Organization, Niyukuri D
ISBN 978-92-4-008617-3 (electronic version)
(2023)
https://afro.who.int/sites/default/files/2023-12/9789240086173-eng.pdf
South African COVID-19 Modelling Consortium
(2021)
https://www.sacema.org/media/archives/SACMC_Third_wave_report_inlcuding_Delta_variant.pdf
