Received: 13 March 2019
Accepted: 7 July 2019
First Online: 22 July 2019
Ethics approval and consent to participate
: The MIS 2015 protocol received ethical clearance from the National Ethics and Research Review Committee (RERRC) of Ethiopia and from the College of Health Science Addis Ababa, University. The survey protocol which included serology testing underwent human subjects review at CDC and received non-research determination.
: Not applicable.
: The authors declare that they have no competing interests.