Funding for this research was provided by:
Received: 10 October 2018
Accepted: 22 May 2019
First Online: 13 June 2019
Ethics approval and consent to participate
: This study was approved by the Instituto Colombiano de Medicina Tropical – Universidad CES ethics committee. After the aims of the study were explained, an informed consent form was signed by the guardians of participating children.
: Not applicable.
: Malcolm Duthie provides antigen to commercial companies for fabrication of rapid diagnostic tests. The other authors declare having no conflict of interests.Nora Cardona-Castro is a member of the editorial board (Associate Editor) of BMC Infectious Diseases.