Funding for this research was provided by:
United States Agency for International Development (GHN-A-OO-09-00010-00)
Received: 16 September 2019
Accepted: 5 November 2019
First Online: 27 November 2019
Ethics approval and consent to participate
: Specimen collection was approved by the UC Davis Institutional Animal Care and Use Committee (IACUC) and the Republic of Congo Ministry of Scientific Research and Technical Innovation (permit number 018/MRSIT/DGRST/DMAST).
: Not applicable
: The authors declare that they have no competing interests.