Funding for this research was provided by:
Received: 7 October 2019
Accepted: 30 December 2019
First Online: 13 January 2020
Ethical approval and consent to participate
: This surveillance evaluation was deemed non-research by the Zambia-MoH and the US CDC.Consent to participate was voluntary and verbally obtained, because this was a non-research and the procedure was non-risks to client ethical clearance was deemed unnecessary by the University of Zambia Biomedical Research Ethics Committee.
: The findings and conclusions in this report are those of the authors and do not necessarily represent the official position of the US Centers for Disease Control and Prevention, USA or the Zambia Ministry of Health.
: Not applicable.
: All authors declare that they have no commercial or other associations that may pose a conflict of interest.