Funding for this research was provided by:
National Institutes of Health (1U19AI129392-01)
Australian National Health and Medical Research Council (GNT1092789)
Received: 24 June 2020
Accepted: 4 November 2020
First Online: 19 November 2020
Ethics approval and consent to participate
: This study was approved by the National Ethics Committee for Health Research, Ministry of Health, Kingdom of Cambodia (reference 239NECHR) and by the Institut Pasteur Institutional Review Board (reference 2017-03). Written informed consent to participate in the study was obtained from all participants (or their parent or legal guardian).
: Not applicable.
: The authors declare that they have no competing interests.