Received: 25 January 2021
Accepted: 21 September 2021
First Online: 12 October 2021
: Ethical clearance was issued from the school of nursing research ethical review committee on behalf of the University of Gondar in a letter Ref. No. S/N/2012/01/2020. A formal ethical and cooperation letter was delivered to each health facility head or coordinator, then the head of the health facility permit, and directed a permission letter to the EPI unit team leader/coordinator. Informed consent was obtained from the study participants on the right of participation or refusal from the study. Confidentiality of the information was kept for each study participant by coding the data.
: Not applicable.
: The authors declare that they have no any competing interests to publication.