Funding for this research was provided by:
Biotechnology and Biological Sciences Research Council
Defence Science and Technology Laboratory
Economic and Social Research Council
Natural Environment Research Council
Department for International Development
Medical Research Council
Received: 17 May 2019
Accepted: 7 May 2020
First Online: 20 May 2020
Ethics approval and consent to participate
: All the participants were explained about the objectives of the project and how the data gathered from them will be used and published. Informed verbal consent was obtained from all the study participants. The Social Science Research Ethical Review Board (SSRERB) of the Royal Veterinary College (RVC) (URN 2015 1347 and URN SR 2017–1112) and the Ethics Committee at the Interstate School of Veterinary Science and Medicine of Dakar (EISMV) granted ethical approval for the study.
: Not applicable.
: The authors declare that they have no competing interests.