Funding for this research was provided by:
National Institutes of Health (R01 AI050243, U19 AI129326, D43 TW001505)
Received: 29 January 2019
Accepted: 27 May 2019
First Online: 31 May 2019
Availability of data and materials
: Data supporting the conclusions of this article are included within the article. The raw data are available from the corresponding author upon reasonable request.
: Ethical approval for the study was obtained from Ethical Review Board of Kenya Medical Research Institute (SSC Protocol no. 3005) and the University of California, Irvine. Permission was sought from the chief of each study site. Informed consent was obtained from heads of the households.
: Not applicable.
: The authors declare that they have no competing interests.