Eswatini National Malaria Program, Manzini, Eswatini, Clinton Health Access Initiative, Mbabane, Eswatini, Stanford University - Department of Epidemiology and Population Health, Eswatini National Malaria Program, Manzini, Eswatini, University of California, Berkeley - Department of Epidemiology and BiostatisticsUniversity of California, San Francisco (UCSF) - Division of Prevention Science, University of Texas Southwestern Medical Center – Department of Pediatrics, Eswatini National Malaria Program, Manzini, Eswatini, University of California, San Francisco (UCSF) - Malaria Elimination Initiative, University of California - Department of Family Health Care Nursing, Eswatini National Malaria Program, Manzini, Eswatini, Eswatini National Malaria Program, Manzini, Eswatini, Clinton Health Access Initiative, Mbabane, Eswatini, University of California, San Francisco (UCSF) - Department of Medicine, University of California, San Francisco (UCSF) - Division of Experimental Medicine, Department of Medicine National Clinical Laboratory Services, Mbabane, EswatiniKingdom of Eswatini - Ministry of Health - National Tuberculosis Reference Laboratory, Clinton Health Access Initiative, Mbabane, Eswatini, Good Shepherd Hospital, Siteki, Eswatini, Raleigh Fitkin Memorial Hospital, Manzini, Eswatini, University of California, San Francisco (UCSF) - Malaria Elimination Initiative, Clinton Health Access Initiative, Mbabane, Eswatini, affiliation not provided to SSRN (deceased) and University of Texas Southwestern Medical Center – Department of Pediatrics