1. From the South African Medical Research Council Vaccine and Infectious Diseases Analytics Research Unit (S.A.M., G.K., N.D., C.K.M., A.J.N., P.C.M.) and African Leadership in Vaccinology Expertise (S.A.M., G.K.), University of the Witwatersrand, the National Institute for Communicable Diseases, National Health Laboratory Service (W.J., L.B., R.W.), and ResearchLinkMe (N.N.-M.), Johannesburg, the Centre for Environmental and Occupational Health Research, School of Public Health and Family Medicine,...