{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,22]],"date-time":"2026-09-22T16:44:50Z","timestamp":1790095490988,"version":"4.0.1"},"reference-count":23,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2026,3,1]],"date-time":"2026-03-01T00:00:00Z","timestamp":1772323200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2026,3,1]],"date-time":"2026-03-01T00:00:00Z","timestamp":1772323200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2025,12,22]],"date-time":"2025-12-22T00:00:00Z","timestamp":1766361600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100003323","name":"ANRS Emerging Infectious Diseases","doi-asserted-by":"publisher","award":["ANRS 12366"],"award-info":[{"award-number":["ANRS 12366"]}],"id":[{"id":"10.13039\/501100003323","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["IJID Regions"],"published-print":{"date-parts":[[2026,3]]},"DOI":"10.1016\/j.ijregi.2025.100834","type":"journal-article","created":{"date-parts":[[2025,12,24]],"date-time":"2025-12-24T08:16:44Z","timestamp":1766564204000},"page":"100834","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":2,"special_numbering":"C","title":["Update on the HDV seroprevalence and genotype distribution among patients positive for HBsAg referred to a National Reference Laboratory in Cameroon between January 2019 and December 2020"],"prefix":"10.1016","volume":"18","author":[{"given":"Jacques Delors Toumansie","family":"Mfonkou","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yacouba","family":"Foupouapouognigni","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Athenais","family":"Gerber","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"S\u00e9gol\u00e8ne","family":"Brichler","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fr\u00e9d\u00e9ric","family":"Legal","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Abdou Fatawou","family":"Modiyinji","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Frederic","family":"Lissock","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Laure","family":"Ngono","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Boyomo","family":"Onana","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Emmanuel","family":"Gordien","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Richard","family":"Njouom","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.ijregi.2025.100834_bib0001","doi-asserted-by":"crossref","first-page":"997","DOI":"10.1136\/gut.18.12.997","article-title":"Immunofluorescence detection of new antigen-antibody system (delta\/anti-delta) associated to hepatitis B virus in liver and in serum of HBsAg carriers","volume":"18","author":"Rizzetto","year":"1977","journal-title":"Gut"},{"key":"10.1016\/j.ijregi.2025.100834_bib0002","doi-asserted-by":"crossref","first-page":"729","DOI":"10.1002\/hep.1840030518","article-title":"The delta agent","volume":"3","author":"Rizzetto","year":"1983","journal-title":"Hepatology"},{"key":"10.1016\/j.ijregi.2025.100834_bib0003","doi-asserted-by":"crossref","first-page":"30","DOI":"10.1111\/liv.14838","article-title":"New therapies for hepatitis delta virus infection","volume":"41","author":"Loureiro","year":"2021","journal-title":"Liver Int"},{"key":"10.1016\/j.ijregi.2025.100834_bib0004","article-title":"Hope on the horizon: emerging therapies for hepatitis D","volume":"17","author":"Zaigham Abbas","year":"2025","journal-title":"World J Hepatol"},{"key":"10.1016\/j.ijregi.2025.100834_bib0005","doi-asserted-by":"crossref","first-page":"512","DOI":"10.1136\/gutjnl-2018-316601","article-title":"Prevalence and burden of hepatitis D virus infection in the global population: a systematic review and meta-analysis","volume":"68","author":"Chen","year":"2019","journal-title":"Gut"},{"key":"10.1016\/j.ijregi.2025.100834_bib0006","doi-asserted-by":"crossref","first-page":"417","DOI":"10.1186\/s13104-019-4460-4","article-title":"Evolutionary trends in the prevalence of anti-HDV antibodies among patients positive for HBsAg referred to a national laboratory in Cameroon from 2012 to 2017","volume":"12","author":"Noubissi-Jouegouo","year":"2019","journal-title":"BMC Res Notes"},{"key":"10.1016\/j.ijregi.2025.100834_bib0007","doi-asserted-by":"crossref","DOI":"10.1038\/s41598-018-30078-5","article-title":"High prevalence of hepatitis delta virus in Cameroon","volume":"8","author":"Butler","year":"2018","journal-title":"Sci Rep"},{"key":"10.1016\/j.ijregi.2025.100834_bib0008","doi-asserted-by":"crossref","first-page":"1294","DOI":"10.1136\/gutjnl-2019-320027","article-title":"The epidemiology of hepatitis delta virus infection in Cameroon","volume":"69","author":"Besombes","year":"2020","journal-title":"Gut"},{"key":"10.1016\/j.ijregi.2025.100834_bib0009","doi-asserted-by":"crossref","first-page":"1447","DOI":"10.3201\/eid1209.060112","article-title":"Eighth major clade for hepatitis delta virus","volume":"12","author":"Le Gal","year":"2006","journal-title":"Emerg Infect Dis"},{"key":"10.1016\/j.ijregi.2025.100834_bib0010","doi-asserted-by":"crossref","first-page":"1826","DOI":"10.1002\/hep.29574","article-title":"Genetic diversity and worldwide distribution of the Deltavirus genus: a study of 2,152 clinical strains","volume":"66","author":"Le Gal","year":"2017","journal-title":"Hepatology"},{"key":"10.1016\/j.ijregi.2025.100834_bib0011","doi-asserted-by":"crossref","first-page":"431","DOI":"10.1128\/JCM.02027-16","article-title":"Performance characteristics of a new consensus commercial kit for hepatitis D virus RNA viral load quantification","volume":"55","author":"Le Gal","year":"2017","journal-title":"J Clin Microbiol"},{"key":"10.1016\/j.ijregi.2025.100834_bib0012","doi-asserted-by":"crossref","first-page":"2537","DOI":"10.1128\/JVI.78.5.2537-2544.2004","article-title":"Molecular phylogenetic analyses indicate a wide and ancient radiation of African hepatitis delta virus, suggesting a Deltavirus genus of at least seven major clades","volume":"78","author":"Radjef","year":"2004","journal-title":"J Virol"},{"key":"10.1016\/j.ijregi.2025.100834_bib0013","doi-asserted-by":"crossref","first-page":"808","DOI":"10.4269\/ajtmh.2005.73.808","article-title":"High prevalence of hepatitis B virus and hepatitis D virus in the western Brazilian Amazon","volume":"73","author":"Viana","year":"2005","journal-title":"Am J Trop Med Hyg"},{"key":"10.1016\/j.ijregi.2025.100834_bib0014","doi-asserted-by":"crossref","first-page":"126","DOI":"10.1016\/j.jcv.2015.10.002","article-title":"Molecular epidemiology of hepatitis B and Delta virus strains that spread in the Mediterranean North East Coast of Tunisia","volume":"72","author":"Yacoubi","year":"2015","journal-title":"J Clin Virol"},{"key":"10.1016\/j.ijregi.2025.100834_bib0015","doi-asserted-by":"crossref","first-page":"931","DOI":"10.1093\/infdis\/155.5.931","article-title":"Influence of hepatitis delta virus infection on progression to cirrhosis in chronic hepatitis type B","volume":"155","author":"Fattovich","year":"1987","journal-title":"J Infect Dis"},{"key":"10.1016\/j.ijregi.2025.100834_bib0016","doi-asserted-by":"crossref","first-page":"834","DOI":"10.1016\/j.jhep.2010.06.008","article-title":"Outcome of chronic delta hepatitis in Italy: a long-term cohort study","volume":"53","author":"Niro","year":"2010","journal-title":"J Hepatol"},{"key":"10.1016\/j.ijregi.2025.100834_bib0017","doi-asserted-by":"crossref","first-page":"1629","DOI":"10.1053\/j.gastro.2009.01.052","article-title":"A 28-year study of the course of hepatitis Delta infection: a risk factor for cirrhosis and hepatocellular carcinoma","volume":"136","author":"Romeo","year":"2009","journal-title":"Gastroenterology"},{"key":"10.1016\/j.ijregi.2025.100834_bib0018","doi-asserted-by":"crossref","first-page":"2759","DOI":"10.1099\/vir.0.011239-0","article-title":"Hepatitis delta virus proteins repress hepatitis B virus enhancers and activate the alpha\/beta interferon-inducible MxA gene","volume":"90","author":"Williams","year":"2009","journal-title":"J Gen Virol"},{"key":"10.1016\/j.ijregi.2025.100834_bib0019","doi-asserted-by":"crossref","first-page":"1625","DOI":"10.1053\/j.gastro.2006.01.035","article-title":"Genotypes and viremia of hepatitis B and D viruses are associated with outcomes of chronic hepatitis D patients","volume":"130","author":"Su","year":"2006","journal-title":"Gastroenterology"},{"key":"10.1016\/j.ijregi.2025.100834_bib0020","doi-asserted-by":"crossref","first-page":"61","DOI":"10.1186\/s12985-016-0514-6","article-title":"Molecular epidemiology of hepatitis D virus circulating in Southwestern Nigeria","volume":"13","author":"Opaleye","year":"2016","journal-title":"Virol J"},{"key":"10.1016\/j.ijregi.2025.100834_bib0021","doi-asserted-by":"crossref","first-page":"1629","DOI":"10.1128\/JCM.02297-13","article-title":"Characterization of hepatitis delta virus in sub-Saharan Africa","volume":"52","author":"Andernach","year":"2014","journal-title":"J Clin Microbiol"},{"key":"10.1016\/j.ijregi.2025.100834_bib0022","doi-asserted-by":"crossref","first-page":"2265","DOI":"10.1128\/JCM.02012-08","article-title":"Prevalence and molecular diversity of hepatitis B virus and hepatitis delta virus in urban and rural populations in northern Gabon in central Africa","volume":"47","author":"Makuwa","year":"2009","journal-title":"J Clin Microbiol"},{"key":"10.1016\/j.ijregi.2025.100834_bib0023","doi-asserted-by":"crossref","first-page":"1162","DOI":"10.1128\/JCM.01822-10","article-title":"High prevalence and predominance of hepatitis delta virus genotype 1 infection in Cameroon","volume":"49","author":"Foupouapouognigni","year":"2011","journal-title":"J Clin Microbiol"}],"container-title":["IJID Regions"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S2772707625002681?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S2772707625002681?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2026,3,19]],"date-time":"2026-03-19T09:46:08Z","timestamp":1773913568000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S2772707625002681"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,3]]},"references-count":23,"alternative-id":["S2772707625002681"],"URL":"https:\/\/doi.org\/10.1016\/j.ijregi.2025.100834","relation":{},"ISSN":["2772-7076"],"issn-type":[{"value":"2772-7076","type":"print"}],"subject":[],"published":{"date-parts":[[2026,3]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Update on the HDV seroprevalence and genotype distribution among patients positive for HBsAg referred to a National Reference Laboratory in Cameroon between January 2019 and December 2020","name":"articletitle","label":"Article Title"},{"value":"IJID Regions","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.ijregi.2025.100834","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2025 The Authors. Published by Elsevier Ltd on behalf of International Society for Infectious Diseases.","name":"copyright","label":"Copyright"}],"article-number":"100834"}}