---
title: "Strategies and lessons from the type 1 cVDPV outbreak in Madagascar (2020–2023)"
id: "pubmed-42556297"
canonical_url: "https://medichelpline.com/clinical-feed/pubmed-42556297"
content_type: "clinical_feed_article"
specialty: "Infectious Disease"
source_name: "PubMed / NCBI"
source_url: "https://pubmed.ncbi.nlm.nih.gov/42556297/"
doi: "10.1016/j.vaccine.2026.128987"
published_at: "2026-08-30T00:00:00.000Z"
evidence_level: "Journal Article"
license: "CC-BY-NC-4.0 / Informational Use"
---
# Strategies and lessons from the type 1 cVDPV outbreak in Madagascar (2020–2023)
## Provenance & Clinical Metadata
- **Canonical URL:** https://medichelpline.com/clinical-feed/pubmed-42556297
- **Specialty:** [Infectious Disease](https://medichelpline.com/clinical-feed/infectious-disease.md)
- **Primary Source:** PubMed / NCBI
- **Source URL:** [Original Journal Publication](https://pubmed.ncbi.nlm.nih.gov/42556297/)
- **DOI:** [10.1016/j.vaccine.2026.128987](https://doi.org/10.1016%2Fj.vaccine.2026.128987)
- **Published At:** 2026-08-30T00:00:00.000Z
- **Evidence Rating:** Journal Article
## Executive GIST (TL;DR)
- The citation describes an article titled "Strategies and lessons learned from a type 1 circulating vaccine-derived poliovirus (cVDPV) outbreak affecting adult population: Madagascar, 2020-2023," published in Vaccine (2026) with PMID 42556297 and DOI 10.1016/j.vaccine.2026.128987. - The article lists multiple authors from CDC, WHO, UNICEF, Solina Centre for International Development and Research (SCIDaR), the Government of Madagascar Ministry of Public Health, the Gates Foundation, Rotary Club, and WHO Regional Office, indicating a multi-agency response and collaboration. - The study focus is explicitly on a **type 1 circulating vaccine-derived poliovirus (cVDPV)** outbreak that affected adults in **Madagascar** during **2020–2023** and reports on strategies and lessons learned. - The PubMed entry indicates the article is a free full article published online (Epub) 5 August 2026 and in print/issue 30 August 2026 (Volume 89:128987). - The PubMed record contains bibliographic and access metadata but the abstract and study details are not present in the provided source text; specific methods, results, interventions, outcomes, timelines, numbers of cases, and operational lessons were not reported in the source excerpt. - Affiliations show participation from global and country-level organizations (CDC, WHO country and regional offices, UNICEF Madagascar, SCIDaR, Madagascar Ministry of Public Health) suggesting the article covers public health response and coordination, but exact content and recommendations are not available in the provided source. - Because the source excerpt lacks the article abstract and body text, clinical readers should consult the full text (Vaccine, DOI 10.1016/j.vaccine.2026.128987) for actionable operational details, data, and validated lessons learned. - The PubMed entry confirms the article is indexed (PMID 42556297) and accessible via PubMed and publisher links, which are the appropriate sources for full clinical and programmatic information.
## Clinical Analysis & Structured Key Points
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Epub 2026 Aug 5. # Strategies and lessons learned from a type 1 circulating vaccine-derived poliovirus (cVDPV) outbreak affecting adult population: Madagascar, 2020-2023 [Kpandja Djawe](https://pubmed.ncbi.nlm.nih.gov/?term=Djawe+K&cauthor_id=42556297)[ 1 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#full-view-affiliation-1 "Global Immunization Division, Centers for Disease Control and Prevention, Atlanta, USA. Electronic address: wgp6@cdc.gov."), [Eric Aigbogun](https://pubmed.ncbi.nlm.nih.gov/?term=Aigbogun+E&cauthor_id=42556297)[ 2 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#full-view-affiliation-2 "Solina Centre for International Development and Research \(SCIDaR\), Abuja, Nigeria."), [Joseph Souba Zoumanigui](https://pubmed.ncbi.nlm.nih.gov/?term=Zoumanigui+JS&cauthor_id=42556297)[ 2 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#full-view-affiliation-2 "Solina Centre for International Development and Research \(SCIDaR\), Abuja, Nigeria."), [Ansoumane Berete](https://pubmed.ncbi.nlm.nih.gov/?term=Berete+A&cauthor_id=42556297)[ 2 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#full-view-affiliation-2 "Solina Centre for International Development and Research \(SCIDaR\), Abuja, Nigeria."), [Ratnan Rimoyal](https://pubmed.ncbi.nlm.nih.gov/?term=Rimoyal+R&cauthor_id=42556297)[ 3 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#full-view-affiliation-3 "UNICEF Country Office, Antananarivo, Madagascar."), [Kenneth Macaulay](https://pubmed.ncbi.nlm.nih.gov/?term=Macaulay+K&cauthor_id=42556297)[ 2 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#full-view-affiliation-2 "Solina Centre for International Development and Research \(SCIDaR\), Abuja, Nigeria."), [Moussa Sanou](https://pubmed.ncbi.nlm.nih.gov/?term=Sanou+M&cauthor_id=42556297)[ 4 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#full-view-affiliation-4 "World Health Organization Country Office, Antananarivo, Madagascar."), [Oluwaseun Fadeyi](https://pubmed.ncbi.nlm.nih.gov/?term=Fadeyi+O&cauthor_id=42556297)[ 2 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#full-view-affiliation-2 "Solina Centre for International Development and Research \(SCIDaR\), Abuja, Nigeria."), [Djariatou Sow Sall](https://pubmed.ncbi.nlm.nih.gov/?term=Sall+DS&cauthor_id=42556297)[ 3 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#full-view-affiliation-3 "UNICEF Country Office, Antananarivo, Madagascar."), [Bethel Oshokhai](https://pubmed.ncbi.nlm.nih.gov/?term=Oshokhai+B&cauthor_id=42556297)[ 2 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#full-view-affiliation-2 "Solina Centre for International Development and Research \(SCIDaR\), Abuja, Nigeria."), [Gideon Thomas](https://pubmed.ncbi.nlm.nih.gov/?term=Thomas+G&cauthor_id=42556297)[ 2 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#full-view-affiliation-2 "Solina Centre for International Development and Research \(SCIDaR\), Abuja, Nigeria."), [Kassi N'draman](https://pubmed.ncbi.nlm.nih.gov/?term=N%27draman+K&cauthor_id=42556297)[ 4 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#full-view-affiliation-4 "World Health Organization Country Office, Antananarivo, Madagascar."), [Liliane Coulibaly](https://pubmed.ncbi.nlm.nih.gov/?term=Coulibaly+L&cauthor_id=42556297)[ 2 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#full-view-affiliation-2 "Solina Centre for International Development and Research \(SCIDaR\), Abuja, Nigeria."), [Helisoa Marcelle Elodie Randrianarijaona](https://pubmed.ncbi.nlm.nih.gov/?term=Randrianarijaona+HME&cauthor_id=42556297)[ 3 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#full-view-affiliation-3 "UNICEF Country Office, Antananarivo, Madagascar."), [Mamadou Diaw](https://pubmed.ncbi.nlm.nih.gov/?term=Diaw+M&cauthor_id=42556297)[ 4 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#full-view-affiliation-4 "World Health Organization Country Office, Antananarivo, Madagascar."), [Haingo Ranoharisoa](https://pubmed.ncbi.nlm.nih.gov/?term=Ranoharisoa+H&cauthor_id=42556297)[ 5 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#full-view-affiliation-5 "Rotary Club Passport D9220, Antananarivo, Madagascar."), [Lantosoa Ratsarahajarizafy](https://pubmed.ncbi.nlm.nih.gov/?term=Ratsarahajarizafy+L&cauthor_id=42556297)[ 6 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#full-view-affiliation-6 "Government of Madagascar Ministry of Public Health, Antananarivo, Madagascar."), [Rivomalala Rakotonavalona](https://pubmed.ncbi.nlm.nih.gov/?term=Rakotonavalona+R&cauthor_id=42556297)[ 6 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#full-view-affiliation-6 "Government of Madagascar Ministry of Public Health, Antananarivo, Madagascar."), [Chuckwunonso Nwaokorie](https://pubmed.ncbi.nlm.nih.gov/?term=Nwaokorie+C&cauthor_id=42556297)[ 2 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#full-view-affiliation-2 "Solina Centre for International Development and Research \(SCIDaR\), Abuja, Nigeria."), [Uchenna Igbokwe](https://pubmed.ncbi.nlm.nih.gov/?term=Igbokwe+U&cauthor_id=42556297)[ 2 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#full-view-affiliation-2 "Solina Centre for International Development and Research \(SCIDaR\), Abuja, Nigeria."), [Andrea Thompson](https://pubmed.ncbi.nlm.nih.gov/?term=Thompson+A&cauthor_id=42556297)[ 7 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#full-view-affiliation-7 "Gates Foundation, Seatle, USA."), [Eric Wiesen](https://pubmed.ncbi.nlm.nih.gov/?term=Wiesen+E&cauthor_id=42556297)[ 8 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#full-view-affiliation-8 "Global Immunization Division, Centers for Disease Control and Prevention, Atlanta, USA."), [Modjirom Ndoutabe](https://pubmed.ncbi.nlm.nih.gov/?term=Ndoutabe+M&cauthor_id=42556297)[ 9 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#full-view-affiliation-9 "World Health Organization Regional Office, Brazzaville, Democratic Republic of the Congo."), [Laurent Musango](https://pubmed.ncbi.nlm.nih.gov/?term=Musango+L&cauthor_id=42556297)[ 4 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#full-view-affiliation-4 "World Health Organization Country Office, Antananarivo, Madagascar.") Affiliations Expand ### Affiliations * 1 Global Immunization Division, Centers for Disease Control and Prevention, Atlanta, USA. Electronic address: wgp6@cdc.gov. * 2 Solina Centre for International Development and Research (SCIDaR), Abuja, Nigeria. * 3 UNICEF Country Office, Antananarivo, Madagascar. * 4 World Health Organization Country Office, Antananarivo, Madagascar. * 5 Rotary Club Passport D9220, Antananarivo, Madagascar. * 6 Government of Madagascar Ministry of Public Health, Antananarivo, Madagascar. * 7 Gates Foundation, Seatle, USA. * 8 Global Immunization Division, Centers for Disease Control and Prevention, Atlanta, USA. * 9 World Health Organization Regional Office, Brazzaville, Democratic Republic of the Congo. * PMID: **42556297** * DOI: [ 10.1016/j.vaccine.2026.128987 ](https://doi.org/10.1016/j.vaccine.2026.128987) Free article Item in Clipboard # Strategies and lessons learned from a type 1 circulating vaccine-derived poliovirus (cVDPV) outbreak affecting adult population: Madagascar, 2020-2023 Kpandja Djawe et al. Vaccine. 2026. Free article Show details Display options Display options Format Abstract PubMed PMID Vaccine Actions * [ Search in PubMed ](https://pubmed.ncbi.nlm.nih.gov/?term=%22Vaccine%22%5Bjour%5D&sort=date&sort_order=desc) * [ Search in NLM Catalog ](https://www.ncbi.nlm.nih.gov/nlmcatalog?term=%22Vaccine%22%5BTitle+Abbreviation%5D) * [ Add to Search ](https://pubmed.ncbi.nlm.nih.gov/42556297/) . 2026 Aug 30:89:128987. doi: 10.1016/j.vaccine.2026.128987. Epub 2026 Aug 5. ### Authors [Kpandja Djawe](https://pubmed.ncbi.nlm.nih.gov/?term=Djawe+K&cauthor_id=42556297)[ 1 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#short-view-affiliation-1 "Global Immunization Division, Centers for Disease Control and Prevention, Atlanta, USA. Electronic address: wgp6@cdc.gov."), [Eric Aigbogun](https://pubmed.ncbi.nlm.nih.gov/?term=Aigbogun+E&cauthor_id=42556297)[ 2 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#short-view-affiliation-2 "Solina Centre for International Development and Research \(SCIDaR\), Abuja, Nigeria."), [Joseph Souba Zoumanigui](https://pubmed.ncbi.nlm.nih.gov/?term=Zoumanigui+JS&cauthor_id=42556297)[ 2 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#short-view-affiliation-2 "Solina Centre for International Development and Research \(SCIDaR\), Abuja, Nigeria."), [Ansoumane Berete](https://pubmed.ncbi.nlm.nih.gov/?term=Berete+A&cauthor_id=42556297)[ 2 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#short-view-affiliation-2 "Solina Centre for International Development and Research \(SCIDaR\), Abuja, Nigeria."), [Ratnan Rimoyal](https://pubmed.ncbi.nlm.nih.gov/?term=Rimoyal+R&cauthor_id=42556297)[ 3 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#short-view-affiliation-3 "UNICEF Country Office, Antananarivo, Madagascar."), [Kenneth Macaulay](https://pubmed.ncbi.nlm.nih.gov/?term=Macaulay+K&cauthor_id=42556297)[ 2 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#short-view-affiliation-2 "Solina Centre for International Development and Research \(SCIDaR\), Abuja, Nigeria."), [Moussa Sanou](https://pubmed.ncbi.nlm.nih.gov/?term=Sanou+M&cauthor_id=42556297)[ 4 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#short-view-affiliation-4 "World Health Organization Country Office, Antananarivo, Madagascar."), [Oluwaseun Fadeyi](https://pubmed.ncbi.nlm.nih.gov/?term=Fadeyi+O&cauthor_id=42556297)[ 2 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#short-view-affiliation-2 "Solina Centre for International Development and Research \(SCIDaR\), Abuja, Nigeria."), [Djariatou Sow Sall](https://pubmed.ncbi.nlm.nih.gov/?term=Sall+DS&cauthor_id=42556297)[ 3 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#short-view-affiliation-3 "UNICEF Country Office, Antananarivo, Madagascar."), [Bethel Oshokhai](https://pubmed.ncbi.nlm.nih.gov/?term=Oshokhai+B&cauthor_id=42556297)[ 2 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#short-view-affiliation-2 "Solina Centre for International Development and Research \(SCIDaR\), Abuja, Nigeria."), [Gideon Thomas](https://pubmed.ncbi.nlm.nih.gov/?term=Thomas+G&cauthor_id=42556297)[ 2 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#short-view-affiliation-2 "Solina Centre for International Development and Research \(SCIDaR\), Abuja, Nigeria."), [Kassi N'draman](https://pubmed.ncbi.nlm.nih.gov/?term=N%27draman+K&cauthor_id=42556297)[ 4 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#short-view-affiliation-4 "World Health Organization Country Office, Antananarivo, Madagascar."), [Liliane Coulibaly](https://pubmed.ncbi.nlm.nih.gov/?term=Coulibaly+L&cauthor_id=42556297)[ 2 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#short-view-affiliation-2 "Solina Centre for International Development and Research \(SCIDaR\), Abuja, Nigeria."), [Helisoa Marcelle Elodie Randrianarijaona](https://pubmed.ncbi.nlm.nih.gov/?term=Randrianarijaona+HME&cauthor_id=42556297)[ 3 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#short-view-affiliation-3 "UNICEF Country Office, Antananarivo, Madagascar."), [Mamadou Diaw](https://pubmed.ncbi.nlm.nih.gov/?term=Diaw+M&cauthor_id=42556297)[ 4 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#short-view-affiliation-4 "World Health Organization Country Office, Antananarivo, Madagascar."), [Haingo Ranoharisoa](https://pubmed.ncbi.nlm.nih.gov/?term=Ranoharisoa+H&cauthor_id=42556297)[ 5 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#short-view-affiliation-5 "Rotary Club Passport D9220, Antananarivo, Madagascar."), [Lantosoa Ratsarahajarizafy](https://pubmed.ncbi.nlm.nih.gov/?term=Ratsarahajarizafy+L&cauthor_id=42556297)[ 6 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#short-view-affiliation-6 "Government of Madagascar Ministry of Public Health, Antananarivo, Madagascar."), [Rivomalala Rakotonavalona](https://pubmed.ncbi.nlm.nih.gov/?term=Rakotonavalona+R&cauthor_id=42556297)[ 6 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#short-view-affiliation-6 "Government of Madagascar Ministry of Public Health, Antananarivo, Madagascar."), [Chuckwunonso Nwaokorie](https://pubmed.ncbi.nlm.nih.gov/?term=Nwaokorie+C&cauthor_id=42556297)[ 2 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#short-view-affiliation-2 "Solina Centre for International Development and Research \(SCIDaR\), Abuja, Nigeria."), [Uchenna Igbokwe](https://pubmed.ncbi.nlm.nih.gov/?term=Igbokwe+U&cauthor_id=42556297)[ 2 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#short-view-affiliation-2 "Solina Centre for International Development and Research \(SCIDaR\), Abuja, Nigeria."), [Andrea Thompson](https://pubmed.ncbi.nlm.nih.gov/?term=Thompson+A&cauthor_id=42556297)[ 7 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#short-view-affiliation-7 "Gates Foundation, Seatle, USA."), [Eric Wiesen](https://pubmed.ncbi.nlm.nih.gov/?term=Wiesen+E&cauthor_id=42556297)[ 8 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#short-view-affiliation-8 "Global Immunization Division, Centers for Disease Control and Prevention, Atlanta, USA."), [Modjirom Ndoutabe](https://pubmed.ncbi.nlm.nih.gov/?term=Ndoutabe+M&cauthor_id=42556297)[ 9 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#short-view-affiliation-9 "World Health Organization Regional Office, Brazzaville, Democratic Republic of the Congo."), [Laurent Musango](https://pubmed.ncbi.nlm.nih.gov/?term=Musango+L&cauthor_id=42556297)[ 4 ](https://pubmed.ncbi.nlm.nih.gov/42556297/#short-view-affiliation-4 "World Health Organization Country Office, Antananarivo, Madagascar.") ### Affiliations * 1 Global Immunization Division, Centers for
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