Text and Data Mining valid from 2019-10-04
Received: 23 April 2019
Accepted: 28 September 2019
First Online: 4 October 2019
Ethics approval and consent to participate
: Ethical clearance was obtained from an ethical review board of Mekelle University, College of Health Sciences and Department of Public Health. Letter of the permission was written from the field base Tigray Regional Health bureau to Tanquae Aberegelle district health office. The outbreak investigation was done after permission was obtained from Tanquae Aberegelle district health office. We obtained written informed consent from the study participants. The confidentiality of information regarding patients involved in this study was maintained by avoiding identifying study participants by name.
: Not applicable.
: The authors declare that they have no competing interests.