Longitudinal changes in COVID-19 vaccination intent among South African adults: evidence from the NIDS-CRAM panel survey, February to May 2021. - Burger, Ronelle; Köhler, Timothy; Golos, Aleksandra M.; Buttenheim, Alison M.; English, René; Tameris, Michele; Maughan-Brown, Brendan (BMC Public Health, 2022)