Table 2.

Description of study sites involved in the C19 vaccination program

Entity	Contributions to the C19 vaccination program in 2021
NEPI central and regional offices	Technical consultation, overall program management (e.g., development and implementation of guidelines on training, supervision, reporting), vaccine procurement and distribution, and vaccine quality control.
Development partners (WHO, UNICEF)	Technical and financial support in developing guidelines, supervision, national-level training, implementation-level social mobilization and advocacy. Financial donations to support microplanning, social mobilization and service delivery. In-kind donations including vaccines, immunization supplies, and cold chain equipment.
Provincial CDCs	Managing the implementation of C19 vaccinations at all districts within the province; receiving vaccines from the NEPI national or regional offices, storing and delivering vaccines to lower administrative levels.
District health centers	Managing the implementation of C19 vaccinations at all communes within the district; receiving vaccines from the provincial CDCs, storing and delivering vaccines to commune health centers as well as administering C19 vaccines at the district health centers’ general clinics.
Commune health centers	Microplanning, storing and administering vaccines, and reporting on vaccine delivery performance.
Immunization sites	Providing immunization services to the eligible population.