Funding for this research was provided by:
Wellcome (201310/Z/16/Z, 107769/Z/10/Z)
Medical Research Council (MR/M025454/1)
DELTAS Africa Initiative (DEL-15-003)
Received: 8 July 2020
Accepted: 31 January 2021
First Online: 10 February 2021
Ethics approval and consent to participate
: The study protocol was approved by the local institutional review board, Scientific and Ethics Review Board (SERU; Ref KEMRI/SERU/CGMR-C/116/3632). Permission to conduct the study in the two Counties was granted by the research office, department of health in Kilifi (Ref: HP/KCHS/VOL.IX/44) and Mombasa (Ref: COH/Msa/RSC/05). All participants provided written, informed consent for their participation.
: Not applicable.
: The authors have no potential conflict of interest to declare.