Coverage, Opportunity, and Challenges of Expanded Program on Immunization among 12-23-Month-Old Children in Woldia Town, Northeast Ethiopia, 2018.

Vaccination coverage was low compared with the Millennium Development Goals target. It is important to increase and maintain the immunization level to the intended target. Thus, the town health office and concerned stakeholders need to work more to improve the performance of the expanded program on immunization in this area.