Ethical considerations
This study was approved by the Research and Ethics Committee of Makerere University School of Public Health and registered with the Uganda National Council for Science and Technology (UNCST), registration #SS992ES. The study protocol was also registered with ClinicalTrials.gov, ID number NCT05337761. Administrative clearance from the leadership of the landing sites was obtained before the study. Only adults (≥18 years) and emancipated minors were recruited through a written informed consenting process. All data were kept confidential and only accessed by the study team.