Fig. 4From: Ensuring sustainability of polio immunization in health system transition: lessons from the polio eradication initiative in IndonesiaNon-Polio AFP (NPAFP) Rate and Adequate Specimen Percentage 1997–2018. Source: MoH of RI Decree Number 483/MENKES/SK/2007 on AFP Surveillance Guideline; Indonesia Health Profile 2007–2018Back to article page