Strategies and lessons from the type 1 cVDPV outbreak in Madagascar (2020–2023)

Background and citation details

This PubMed record documents an article titled "Strategies and lessons learned from a type 1 circulating vaccine-derived poliovirus (cVDPV) outbreak affecting adult population: Madagascar, 2020-2023." The article appears in Vaccine (2026) and is identified by PubMed PMID 42556297 and DOI 10.1016/j.vaccine.2026.128987. The PubMed entry indicates the article was published online (Epub) 5 August 2026 and associated with Volume 89, article 128987.

The title indicates the manuscript reports on public health approaches and lessons from a type 1 circulating vaccine-derived poliovirus (cVDPV) outbreak in Madagascar spanning 2020–2023, notable for affecting an adult population.

Authors and institutional affiliations

The PubMed entry lists a multi‑author team with affiliations across international and in-country organizations. Listed institutions include the Global Immunization Division at the Centers for Disease Control and Prevention (CDC), Solina Centre for International Development and Research (SCIDaR), UNICEF Country Office in Antananarivo, the World Health Organization Country Office in Antananarivo and WHO Regional Office in Brazzaville, the Government of Madagascar Ministry of Public Health, the Gates Foundation, and Rotary Club Passport D9220 in Antananarivo.

The broad institutional representation suggests the manuscript reflects contributions from national public health authorities and international immunization partners involved in outbreak response and programmatic support.

Article focus: cVDPV type 1 outbreak in Madagascar (2020–2023)

The record’s title specifies the article centers on the response to a type 1 cVDPV outbreak that occurred in Madagascar between 2020 and 2023, with a particular emphasis on an affected adult population and on strategies and lessons learned. This signals the paper likely addresses epidemiology, response measures, vaccination strategies, operational challenges, and programmatic lessons; however, the provided PubMed excerpt does not contain the article abstract or body text, so the specific content, data, and conclusions are not available in this source.

Publication and access information

• Journal: Vaccine
• Year/issue: 2026; Volume 89:128987
• Epub date: 5 August 2026
• DOI: 10.1016/j.vaccine.2026.128987
• PubMed PMID: 42556297
• The PubMed entry indicates the article is available as a free article and includes a full-text link via the publisher. For complete clinical or operational details, the full text should be accessed through the DOI or publisher link.

What is included in the PubMed record

The provided PubMed content supplies bibliographic metadata (title, authors, affiliations, DOI, PMID, dates) and indicates the article is indexed and free. It does not include the abstract or the full article text in the excerpt provided here. The affiliations and author list are fully enumerated in the record.

Limitations of the provided source text

• The PubMed excerpt available here does not include the abstract, methods, results, numeric data, timelines, detailed descriptions of interventions, case counts, laboratory findings, or specific operational recommendations.
• Because specific study content and findings are not present in the supplied source, any clinical, epidemiologic, or operational details (for example, numbers of cases, vaccination campaign design, targeted age groups, coverage achieved, or measured outcomes) cannot be reported or summarized from this excerpt without consulting the full text.
• No conflict of interest statement, MeSH terms, or full-text content were included in the provided text beyond the bibliographic header and affiliations.

Recommended next steps to obtain full clinical and operational details

• Retrieve the full article through the DOI link (10.1016/j.vaccine.2026.128987) or the publisher’s site to review the abstract, methods, results, tables, figures, and discussion.
• Consult the PubMed full record page and follow the full-text links provided there for the complete manuscript and any supplementary material.
• For programmatic implementation, refer to the full text to extract specific strategies, timelines, vaccination modalities, outcome measures, and lessons learned described by the authors.

Summary

This PubMed entry documents a multi‑institutional report on a type 1 cVDPV outbreak in Madagascar covering 2020–2023 that focused on strategies and lessons learned, notably in an adult-affected outbreak. The provided source text contains bibliographic and author affiliation details but does not include the abstract or study data; readers seeking clinical, epidemiologic, or operational guidance should consult the full article via the DOI or publisher links for validated, actionable information.