{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T19:55:11Z","timestamp":1788292511965,"version":"build-2803163510"},"reference-count":50,"publisher":"MDPI AG","issue":"6","license":[{"start":{"date-parts":[[2025,5,30]],"date-time":"2025-05-30T00:00:00Z","timestamp":1748563200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"French Agency for Research on AIDS and Viral Hepatitis Emerging Infectious Diseases (ANRS MIE)","award":["ANRS 12140 Pediacam I"],"award-info":[{"award-number":["ANRS 12140 Pediacam I"]}]},{"name":"French Agency for Research on AIDS and Viral Hepatitis Emerging Infectious Diseases (ANRS MIE)","award":["12225 Pediacam II and III"],"award-info":[{"award-number":["12225 Pediacam II and III"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Vaccines"],"abstract":"<jats:p>Background\/Objective: Variations in measles vaccine antibody response by age and HIV status have been reported. This study assessed measles pre-vaccination status and compared humoral response durability over the first five years of life among HIV-infected (HI) children on early treatment, HIV-exposed uninfected (HEU), and HIV-unexposed uninfected (HUU) children within the ANRS 12225\u2014Pediacam III cohort in Cameroon. Methods: Measles vaccine (MCV) was administered at 6 and 9 months for HIV-exposed infants and at 9 months for HIV-unexposed infants, followed by a measles-mumps-rubella (MMR) dose at 15 months for all. Measles antibody titers were measured pre-vaccination, 1\u20136 months post-MCV doses, and annually until age 5 using ELISA (Enzygnost, Dade Behring). Results: A total of 496 children were included: 143 HI (median age at cART initiation: 4.2 months, (IQR: 3.2\u20135.6)), 180 HEU, and 173 HUU. Of these, 456 children were tested pre-vaccination (median age: 6.1 months, IQR: 5.6\u20136.8), with 6.1% (95% CI: 4.1\u20138.6) seropositive to measles antibodies, with differences across groups. At 18.4 months (IQR: 18.1\u201319.9), seropositivity rates were 96.7% (59\/61) in HI, 96.8% (90\/93) in HEU, and 100% (111\/111) in HUU groups. For children following the 6 + 9 + 15-month or 9 + 15-month MCV schedules, seropositivity at 18, 36, 48, and 60 months was 96%, 89%, 87%, and 88%, respectively, with no significant differences between groups. Conclusions: Early cART initiation in HI children may result in a robust initial measles antibody response, with comparable persistence of antibody titers across all groups up to five years.<\/jats:p>","DOI":"10.3390\/vaccines13060584","type":"journal-article","created":{"date-parts":[[2025,5,30]],"date-time":"2025-05-30T08:07:58Z","timestamp":1748592478000},"page":"584","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Pre- and Post-Vaccination Measles Antibody and Persistence Up to 5 Years of Age Among Early ART-Treated HIV-Infected, HIV-Exposed Uninfected and HIV-Unexposed Children in Cameroon"],"prefix":"10.3390","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1420-9628","authenticated-orcid":false,"given":"Mathurin Cyrille","family":"Tejiokem","sequence":"first","affiliation":[{"name":"Centre Pasteur du Cameroun, Yaound\u00e9 P.O. Box 1274, Cameroon"},{"name":"CESP, INSERM, UVSQ, Universit\u00e9 Paris-Saclay, 94807 Villejuif, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Emilie","family":"Desselas","sequence":"additional","affiliation":[{"name":"Centre Pasteur du Cameroun, Yaound\u00e9 P.O. Box 1274, Cameroon"},{"name":"Institut de Recherche pour le D\u00e9veloppement, 34394 Montpellier, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thierry Joel","family":"Noumsi","sequence":"additional","affiliation":[{"name":"Centre Pasteur du Cameroun, Yaound\u00e9 P.O. Box 1274, Cameroon"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Francis","family":"Ateba Ndongo","sequence":"additional","affiliation":[{"name":"Centre M\u00e8re et Enfant de la Fondation Chantal Biya, Yaound\u00e9 P.O. Box 1364, Cameroon"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Suzie","family":"Tetang Ndiang","sequence":"additional","affiliation":[{"name":"Centre Hospitalier d\u2019Essos, Yaound\u00e9 P.O. Box 5777, Cameroon"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mireille Arlette","family":"Fossi","sequence":"additional","affiliation":[{"name":"H\u00f4pital Laquintinie de Douala, Douala P.O. Box 4035, Cameroon"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Georgette","family":"Guemkam","sequence":"additional","affiliation":[{"name":"Centre M\u00e8re et Enfant de la Fondation Chantal Biya, Yaound\u00e9 P.O. Box 1364, Cameroon"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0000-3479-1793","authenticated-orcid":false,"given":"Berenice","family":"Zangue Kenfack Tekougang","sequence":"additional","affiliation":[{"name":"Centre Pasteur du Cameroun, Yaound\u00e9 P.O. Box 1274, Cameroon"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7449-5128","authenticated-orcid":false,"given":"Paul Alain","family":"Tagnouokam-Ngoupo","sequence":"additional","affiliation":[{"name":"Centre Pasteur du Cameroun, Yaound\u00e9 P.O. Box 1274, Cameroon"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1070-2108","authenticated-orcid":false,"given":"Ida Calixte","family":"Penda","sequence":"additional","affiliation":[{"name":"D\u00e9partement des Sciences cliniques, Facult\u00e9 de M\u00e9decine et des Sciences Pharmaceutiques, Universit\u00e9 de Douala, Douala P.O. Box 2701, Cameroon"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Albert","family":"Faye","sequence":"additional","affiliation":[{"name":"Service de P\u00e9diatrie G\u00e9n\u00e9rale, H\u00f4pital Universitaire Robert Debr\u00e9, Assistance Publique des H\u00f4pitaux de Paris, 75019 Paris, France"},{"name":"UMR 1123 ECEVE INSERM, Universit\u00e9 Paris Cit\u00e9, 75010 Paris, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Josiane","family":"Warszawski","sequence":"additional","affiliation":[{"name":"CESP, INSERM, UVSQ, Universit\u00e9 Paris-Saclay, 94807 Villejuif, France"},{"name":"Service de Sant\u00e9 Publique et d\u2019\u00c9pid\u00e9miologie, H\u00f4pital de Bic\u00eatre, Assistance Publique des H\u00f4pitaux de Paris, 94270 Le Kremlin Bic\u00eatre, France"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2025,5,30]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"World Health Organization (2019). 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