Country COVID-19 Vaccine Introduction Evaluations (cPIE): Cross-country review of findings

This report provides anonymized findings from COVID-19 Vaccine Post Introduction Evaluations (cPIEs) conducted in 20 low- and middle-income countries from November 2021 to April 2023. (See Annex A for a full
list of countries.) The evaluations were commissioned by the respective Ministries of Health and conducted by in-country teams with the support of national and international partners. The purpose of this report is to document learnings on the achievements, challenges and lessons learnt during the COVID-19 vaccine introduction and roll-out from the sample of 20 countries.