Reaching every unvaccinated child and preventing the spread of circulating vaccine-derived poliovirus type 2 (cVDPV2) remains a persistent challenge for Nigeria’s health system.
Despite years of interventions, gaps in routine immunisation coverage persist, especially among “zero-dose” children who have never received a single vaccine.
According to the United Nations Children’s Fund (UNICEF), Nigeria currently has the world’s highest number of unvaccinated children. An…
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