{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,5]],"date-time":"2026-11-05T04:55:15Z","timestamp":1793854515025,"version":"4.6.1"},"reference-count":27,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2026,8,1]],"date-time":"2026-08-01T00:00:00Z","timestamp":1785542400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2026,8,1]],"date-time":"2026-08-01T00:00:00Z","timestamp":1785542400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2026,5,11]],"date-time":"2026-05-11T00:00:00Z","timestamp":1778457600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001691","name":"Japan Society for the Promotion of Science","doi-asserted-by":"publisher","award":["25K11763"],"award-info":[{"award-number":["25K11763"]}],"id":[{"id":"10.13039\/501100001691","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","ijidonline.com","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["International Journal of Infectious Diseases"],"published-print":{"date-parts":[[2026,8]]},"DOI":"10.1016\/j.ijid.2026.108794","type":"journal-article","created":{"date-parts":[[2026,5,14]],"date-time":"2026-05-14T11:47:52Z","timestamp":1778759272000},"page":"108794","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":1,"special_numbering":"C","title":["Maternal DTaP immunization and transplacental transfer of pertussis antibodies in Japan"],"prefix":"10.1016","volume":"169","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1390-954X","authenticated-orcid":false,"given":"Kazuya","family":"Hiiragi","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ryosuke","family":"Shindo","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tomoyuki","family":"Kojima","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sayuri","family":"Nakanishi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Soichiro","family":"Obata","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Etsuko","family":"Miyagi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5307-575X","authenticated-orcid":false,"given":"Shigeru","family":"Aoki","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.ijid.2026.108794_bib0001","doi-asserted-by":"crossref","first-page":"1760","DOI":"10.1001\/jama.2014.3633","article-title":"Safety and immunogenicity of tetanus diphtheria and acellular pertussis (Tdap) immunization during pregnancy in mothers and infants: a randomized clinical trial","volume":"311","author":"Munoz","year":"2014","journal-title":"JAMA"},{"key":"10.1016\/j.ijid.2026.108794_bib0002","doi-asserted-by":"crossref","first-page":"1521","DOI":"10.1016\/S0140-6736(14)60686-3","article-title":"Effectiveness of maternal pertussis vaccination in England: an observational study","volume":"384","author":"Amirthalingam","year":"2014","journal-title":"Lancet"},{"key":"10.1016\/j.ijid.2026.108794_bib0003","first-page":"433","article-title":"Pertussis vaccines: WHO position paper\u2014September 2015","volume":"90","year":"2015","journal-title":"Wkly Epidemiol Rec"},{"key":"10.1016\/j.ijid.2026.108794_bib0004","unstructured":"Japan Society of Obstetrics and Gynecology. Maternal immunization and healthcare worker vaccination with pertussis vaccine for infant pertussis prevention. (in Japanese). https:\/\/www.jsog.or.jp\/news\/pdf\/infection07.pdf; [Accessed 18 November, 2025]."},{"key":"10.1016\/j.ijid.2026.108794_bib0008","unstructured":"Japanese Society for Environmental Infectious Diseases. Vaccine guidelines for healthcare professionals, 4th ed. (in Japanese). http:\/\/www.kankyokansen.org\/uploads\/uploads\/files\/jsipc\/vaccine-guideline_04-2.pdf; [Accessed 18 November, 2025]."},{"key":"10.1016\/j.ijid.2026.108794_bib0009","unstructured":"The Research Foundation for Microbial Diseases of Osaka University (BIKEN). Tribik electronic package insert. (in Japanese). https:\/\/www.biken.or.jp\/upload\/product\/document_pdf\/tribik\/document.pdf; [Accessed 18 November, 2025]."},{"key":"10.1016\/j.ijid.2026.108794_bib0010","unstructured":"National Institute of Infectious Diseases. Japan. Guidelines for physicians\u2019 notification of pertussis under the infectious diseases control law, 2nd ed. (in Japanese). https:\/\/id-info.jihs.go.jp\/diseases\/ha\/pertussis\/020\/pertussis_guideline_211228.pdf; [Accessed 18 November, 2025]."},{"key":"10.1016\/j.ijid.2026.108794_bib0011","doi-asserted-by":"crossref","first-page":"1056","DOI":"10.1016\/j.vaccine.2014.12.062","article-title":"Combined tetanus-diphtheria and pertussis vaccine during pregnancy: transfer of maternal pertussis antibodies to the newborn","volume":"33","author":"Vilajeliu","year":"2015","journal-title":"Vaccine"},{"key":"10.1016\/j.ijid.2026.108794_bib0012","doi-asserted-by":"crossref","first-page":"829","DOI":"10.1093\/cid\/ciw027","article-title":"Maternal immunization earlier in pregnancy maximizes antibody transfer and expected infant seropositivity against pertussis","volume":"62","author":"Eberhardt","year":"2016","journal-title":"Clin Infect Dis"},{"key":"10.1016\/j.ijid.2026.108794_bib0013","doi-asserted-by":"crossref","first-page":"237.e1","DOI":"10.1016\/j.ajog.2016.03.002","article-title":"The optimal gestation for pertussis vaccination during pregnancy: a prospective cohort study","volume":"215","author":"Naidu","year":"2016","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ijid.2026.108794_bib0014","doi-asserted-by":"crossref","DOI":"10.1001\/jamanetworkopen.2024.24608","article-title":"Maternal pertussis immunization and immunoglobulin G levels in early- to late-term and preterm infants","volume":"7","author":"Immink","year":"2024","journal-title":"JAMA Netw Open"},{"key":"10.1016\/j.ijid.2026.108794_bib0015","doi-asserted-by":"crossref","DOI":"10.1111\/aji.12972","article-title":"Expression of FcRn receptor in placental tissue and its relationship with IgG levels in term and preterm newborns","volume":"80","author":"Lozano","year":"2018","journal-title":"Am J Reprod Immunol"},{"key":"10.1016\/j.ijid.2026.108794_bib0016","doi-asserted-by":"crossref","first-page":"555","DOI":"10.3389\/fimmu.2020.00555","article-title":"Vertically transferred immunity in neonates: mothers, mechanisms and mediators","volume":"11","author":"Albrecht","year":"2020","journal-title":"Front Immunol"},{"key":"10.1016\/j.ijid.2026.108794_bib0017","doi-asserted-by":"crossref","first-page":"715","DOI":"10.1038\/nri2155","article-title":"FcRn: the neonatal Fc receptor comes of age","volume":"7","author":"Roopenian","year":"2007","journal-title":"Nat Rev Immunol"},{"key":"10.1016\/j.ijid.2026.108794_bib0018","doi-asserted-by":"crossref","DOI":"10.1155\/2012\/985646","article-title":"IgG placental transfer in healthy and pathological pregnancies","volume":"2012","author":"Palmeira","year":"2012","journal-title":"Clin Dev Immunol"},{"key":"10.1016\/j.ijid.2026.108794_bib0019","doi-asserted-by":"crossref","first-page":"415","DOI":"10.1038\/s41577-022-00821-1","article-title":"The therapeutic age of the neonatal Fc receptor","volume":"23","author":"Pyzik","year":"2023","journal-title":"Nat Rev Immunol"},{"key":"10.1016\/j.ijid.2026.108794_bib0020","doi-asserted-by":"crossref","DOI":"10.1016\/j.vaccine.2024.126435","article-title":"Seroprevalence of diphtheria, tetanus and pertussis antibodies and Tdap vaccination in pregnant women in Greece\u2014A cross- sectional study","volume":"42","author":"Papailiou","year":"2024","journal-title":"Vaccine"},{"key":"10.1016\/j.ijid.2026.108794_bib0021","doi-asserted-by":"crossref","first-page":"231","DOI":"10.7883\/yoken.JJID.2019.386","article-title":"An investigation of Japanese neonatal and maternal antibody status against pertussis","volume":"73","author":"Takemoto","year":"2020","journal-title":"Jpn J Infect Dis"},{"key":"10.1016\/j.ijid.2026.108794_bib0022","doi-asserted-by":"crossref","first-page":"7122","DOI":"10.1016\/j.vaccine.2022.09.092","article-title":"Pertussis, diphtheria, and tetanus antibodies seroprevalence in pregnant women and neonates, as a preliminary data for introduction of preconception or prenatal DTaP vaccination among Japanese society","volume":"40","author":"Tsurane","year":"2022","journal-title":"Vaccine"},{"key":"10.1016\/j.ijid.2026.108794_bib0023","first-page":"386","article-title":"Surveillance of the pertussis antibody status in pregnant women and their babies","volume":"56","author":"Uno","year":"2020","journal-title":"J Jpn Soc Perinat Neonatal Med"},{"key":"10.1016\/j.ijid.2026.108794_bib0024","unstructured":"Japan government statistics portal (e-stat). (in Japanese). https:\/\/www.e-stat.go.jp\/dbview?sid=0003411613; [Accessed 18 November, 2025]."},{"key":"10.1016\/j.ijid.2026.108794_bib0025","unstructured":"Japan Institute for Health Security, IASR. Vol. 42. p. 109\u201310. (in Japanese). https:\/\/id-info.jihs.go.jp\/niid\/ja\/pertussis-m\/pertussis-iasrtpc\/10453-496t.html; [Accessed 18 November, 2025]."},{"key":"10.1016\/j.ijid.2026.108794_bib0026","unstructured":"Japan Institute for Health Security, IDWR. Pertussis, Epidemiological week 1-21, 2025. https:\/\/id-info.jihs.go.jp\/en\/surveillance\/idwr\/featured\/2025\/22\/index.html; [Accessed 2 February, 2026]."},{"key":"10.1016\/j.ijid.2026.108794_bib0027","unstructured":"Japan Society of Obstetrics and Gynecology, Japan Association of Obstetricians and Gynecologists. Guidelines for obstetrics and gynecology, obstetrics. Part 2023. (in Japanese). https:\/\/www.jsog.or.jp\/activity\/pdf\/gl_sanka_2023.pdf; [Accessed 18 November, 2025]."},{"key":"10.1016\/j.ijid.2026.108794_bib0028","doi-asserted-by":"crossref","first-page":"4235","DOI":"10.1080\/21645515.2021.1958609","article-title":"The current status, attitudes, and practices concerning maternal pertussis vaccination in obstetric delivery facilities in Kanagawa Prefecture, Japan: a questionnaire survey","volume":"17","author":"Hiiragi","year":"2021","journal-title":"Hum Vaccin Immunother"},{"key":"10.1016\/j.ijid.2026.108794_bib0029","doi-asserted-by":"crossref","first-page":"779","DOI":"10.3390\/vaccines13080779","article-title":"Survey on awareness and attitudes toward maternal immunization against influenza, pertussis, respiratory syncytial virus, and Group B streptococcus among pregnant women in Japan","volume":"13","author":"Hiiragi","year":"2025","journal-title":"Vaccines (Basel)"},{"key":"10.1016\/j.ijid.2026.108794_bib0030","doi-asserted-by":"crossref","first-page":"921","DOI":"10.1038\/s41467-024-44943-7","article-title":"Maternal pertussis immunization and the blunting of routine vaccine effectiveness: a meta-analysis and modeling study","volume":"15","author":"Briga","year":"2024","journal-title":"Nat Commun"}],"container-title":["International Journal of Infectious Diseases"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1201971226004297?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1201971226004297?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2026,7,3]],"date-time":"2026-07-03T10:05:14Z","timestamp":1783073114000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S1201971226004297"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,8]]},"references-count":27,"alternative-id":["S1201971226004297"],"URL":"https:\/\/doi.org\/10.1016\/j.ijid.2026.108794","relation":{},"ISSN":["1201-9712"],"issn-type":[{"value":"1201-9712","type":"print"}],"subject":[],"published":{"date-parts":[[2026,8]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Maternal DTaP immunization and transplacental transfer of pertussis antibodies in Japan","name":"articletitle","label":"Article Title"},{"value":"International Journal of Infectious Diseases","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.ijid.2026.108794","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2026 The Authors. Published by Elsevier Ltd on behalf of International Society for Infectious Diseases.","name":"copyright","label":"Copyright"}],"article-number":"108794"}}