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Sankore

Named after the University of Sankore in Timbuktu — one of the world’s oldest centres of learning. Every figure here is computed from work-level records in our own graph, never copied from a source’s summary count.

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Coverage is partial and says so. A country appears with its research output only once its works have been swept; until then the portal shows whatever the graph happens to hold for it and labels it as exactly that.

Widening Geographical Inequities in DTP Vaccination Coverage and Zero-Dose Prevalence Across Nigeria: An Ecological Trend Analysis (2018–2024)

2025VaccinesJournalOpen access

10.3390/vaccines13111135 Full text5 citations

Authors

5 authors across 4 institutions in 2 countries.

Hadiza Joy UmarFirst author
Solomon Inalegwu OnahCorresponding
- Center for Clinical Care and Research in Nigeria (NG)
Olalekan Tolulope Popoola
- National Office for Technology Acquisition and Promotion (NG)
as printed: Olalekan Popoola
Hadiza Hussayn Jibril
- Center for Clinical Care and Research in Nigeria (NG)
Femi OyewoleSenior author
- Lagos State Health Service Commission (NG)

Fields

Assignment is probabilistic — a work belongs to several fields in proportions.

Vaccine Coverage and Hesitancylevel 3 · 0.97
COVID-19 Impact on Reproductionlevel 3 · 0.00
Viral Infections and Outbreaks Researchlevel 3 · 0.00

Sources

Several sources describing one work is the point — it means the record rests on more than one authority.

openalexseen September 9, 2026
2025 · Vaccines · 5 citations
https://openalex.org/W4415852341

Widening Geographical Inequities in DTP Vaccination Coverage and Zero-Dose Prevalence Across Nigeria: An Ecological Trend Analysis (2018–2024) · Sankore