Funding for this research was provided by:
Tanzania Commission for Science and Technology
Received: 18 February 2020
Accepted: 16 May 2020
First Online: 24 May 2020
Ethics approval and consent to participate
: This study received ethical approval from the Institutional Review Board of the Ifakara Health Institute (IHI/IRB/No: 01–2013) and Medical Research Coordinating Committee of Tanzania’s National Institute for Medical Research (NIMR/HQ/R.8a/Vol.1X/1472). Before the start of the study, the participants were explained the objectives, methods, and benefits of the study. Written informed consent was obtained from those who were willing to participate in the study. Also, verbal assent was obtained from children aged 7–12 years children and those aged > 12 years provided their own written informed assent, accompanied by written consent of a parent or guardian. Confidentiality was assured by using identity number (ID) which was given to each study participant and all specimens, case report forms, and laboratory results forms were marked with the patient ID number, rather than the patient’s name.
: Not applicable.
: The authors declare that they have no competing interests.