{"id":"https://openalex.org/W7204757637","doi":"https://doi.org/10.1016/j.jinf.2026.106836","title":"Antenatal pertussis vaccine effectiveness in England remains high post COVID-19","display_name":"Antenatal pertussis vaccine effectiveness in England remains high post COVID-19","publication_year":2026,"publication_date":"2026-08-31","ids":{"openalex":"https://openalex.org/W7204757637","doi":"https://doi.org/10.1016/j.jinf.2026.106836","pmid":"https://pubmed.ncbi.nlm.nih.gov/42674297"},"language":"en","primary_location":{"id":"doi:10.1016/j.jinf.2026.106836","doi":"https://doi.org/10.1016/j.jinf.2026.106836","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.jinf.2026.106836","pdf_url":null,"source":{"id":"https://openalex.org/S19579164","display_name":"Journal of Infection","issn_l":"0163-4453","issn":["0163-4453","1532-2742"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-b","doyens","jufo-2","ki-jl-2","medline","norway-2","poland-200","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Infection","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1016/j.jinf.2026.106836","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5056069203","display_name":"Jemma L Walker","orcid":"https://orcid.org/0000-0003-3728-9509","observed_orcids":["https://orcid.org/0000-0003-3728-9509"]},"institutions":[{"id":"https://openalex.org/I4387153084","display_name":"UK Health Security Agency","ror":"https://ror.org/018h10037","country_code":"GB","type":"government","lineage":["https://openalex.org/I1311074006","https://openalex.org/I4387153084"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Jemma L. Walker","raw_affiliation_strings":["UKHSA Immunisation & Vaccine Preventable Diseases Division,\u00a0United Kingdom. Electronic address: jemma.walker@ukhsa.gov.uk"],"raw_orcid":"https://orcid.org/0000-0003-3728-9509","affiliations":[{"raw_affiliation_string":"UKHSA Immunisation & Vaccine Preventable Diseases Division,\u00a0United Kingdom. Electronic address: jemma.walker@ukhsa.gov.uk","institution_ids":["https://openalex.org/I4387153084"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005366488","display_name":"Sonia Ribeiro","orcid":"https://orcid.org/0000-0002-9641-4392","observed_orcids":["https://orcid.org/0000-0002-9641-4392"]},"institutions":[{"id":"https://openalex.org/I4387153084","display_name":"UK Health Security Agency","ror":"https://ror.org/018h10037","country_code":"GB","type":"government","lineage":["https://openalex.org/I1311074006","https://openalex.org/I4387153084"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Sonia Ribeiro","raw_affiliation_strings":["UKHSA Immunisation & Vaccine Preventable Diseases Division,\u00a0United Kingdom"],"raw_orcid":"https://orcid.org/0000-0002-9641-4392","affiliations":[{"raw_affiliation_string":"UKHSA Immunisation & Vaccine Preventable Diseases Division,\u00a0United Kingdom","institution_ids":["https://openalex.org/I4387153084"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057229195","display_name":"David J. Litt","orcid":"https://orcid.org/0000-0002-9215-0553","observed_orcids":["https://orcid.org/0000-0002-9215-0553"]},"institutions":[{"id":"https://openalex.org/I4387153084","display_name":"UK Health Security Agency","ror":"https://ror.org/018h10037","country_code":"GB","type":"government","lineage":["https://openalex.org/I1311074006","https://openalex.org/I4387153084"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"David Litt","raw_affiliation_strings":["UKHSA Respiratory and Vaccine Preventable Bacteria Reference Unit,\u00a0United Kingdom"],"raw_orcid":"https://orcid.org/0000-0002-9215-0553","affiliations":[{"raw_affiliation_string":"UKHSA Respiratory and Vaccine Preventable Bacteria Reference Unit,\u00a0United Kingdom","institution_ids":["https://openalex.org/I4387153084"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5146888646","display_name":"Tara Patel","orcid":"https://orcid.org/0009-0004-3732-4997","observed_orcids":["https://orcid.org/0009-0004-3732-4997"]},"institutions":[{"id":"https://openalex.org/I4387153084","display_name":"UK Health Security Agency","ror":"https://ror.org/018h10037","country_code":"GB","type":"government","lineage":["https://openalex.org/I1311074006","https://openalex.org/I4387153084"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Tara Patel","raw_affiliation_strings":["UKHSA Immunisation & Vaccine Preventable Diseases Division,\u00a0United Kingdom"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"UKHSA Immunisation & Vaccine Preventable Diseases Division,\u00a0United Kingdom","institution_ids":["https://openalex.org/I4387153084"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003075204","display_name":"Emma J. Heymer","orcid":"https://orcid.org/0000-0001-5115-0293","observed_orcids":["https://orcid.org/0000-0001-5115-0293"]},"institutions":[{"id":"https://openalex.org/I4387153084","display_name":"UK Health Security Agency","ror":"https://ror.org/018h10037","country_code":"GB","type":"government","lineage":["https://openalex.org/I1311074006","https://openalex.org/I4387153084"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Emma Heymer","raw_affiliation_strings":["UKHSA Immunisation & Vaccine Preventable Diseases Division,\u00a0United Kingdom"],"raw_orcid":"https://orcid.org/0000-0001-5115-0293","affiliations":[{"raw_affiliation_string":"UKHSA Immunisation & Vaccine Preventable Diseases Division,\u00a0United Kingdom","institution_ids":["https://openalex.org/I4387153084"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038769122","display_name":"Sharif Ismail","orcid":"https://orcid.org/0000-0001-7246-7337","observed_orcids":["https://orcid.org/0000-0001-7246-7337"]},"institutions":[{"id":"https://openalex.org/I4387153084","display_name":"UK Health Security Agency","ror":"https://ror.org/018h10037","country_code":"GB","type":"government","lineage":["https://openalex.org/I1311074006","https://openalex.org/I4387153084"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Sharif Ismail","raw_affiliation_strings":["UKHSA Vaccine Programmes Division,\u00a0United Kingdom"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"UKHSA Vaccine Programmes Division,\u00a0United Kingdom","institution_ids":["https://openalex.org/I4387153084"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008173791","display_name":"Gayatri Amirthalingam","orcid":"https://orcid.org/0000-0003-2078-0975","observed_orcids":["https://orcid.org/0000-0003-2078-0975","https://orcid.org/0009-0005-1618-0346"]},"institutions":[{"id":"https://openalex.org/I4387153084","display_name":"UK Health Security Agency","ror":"https://ror.org/018h10037","country_code":"GB","type":"government","lineage":["https://openalex.org/I1311074006","https://openalex.org/I4387153084"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Gayatri Amirthalingam","raw_affiliation_strings":["UKHSA Immunisation & Vaccine Preventable Diseases Division,\u00a0United Kingdom"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"UKHSA Immunisation & Vaccine Preventable Diseases Division,\u00a0United Kingdom","institution_ids":["https://openalex.org/I4387153084"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5135317414","display_name":"Nick Andrews","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4387153084","display_name":"UK Health Security Agency","ror":"https://ror.org/018h10037","country_code":"GB","type":"government","lineage":["https://openalex.org/I1311074006","https://openalex.org/I4387153084"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Nick Andrews","raw_affiliation_strings":["UKHSA Immunisation & Vaccine Preventable Diseases Division,\u00a0United Kingdom"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"UKHSA Immunisation & Vaccine Preventable Diseases Division,\u00a0United Kingdom","institution_ids":["https://openalex.org/I4387153084"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5059188706","display_name":"Helen Campbell","orcid":"https://orcid.org/0000-0001-9840-8917","observed_orcids":["https://orcid.org/0000-0001-9840-8917"]},"institutions":[{"id":"https://openalex.org/I4387153084","display_name":"UK Health Security Agency","ror":"https://ror.org/018h10037","country_code":"GB","type":"government","lineage":["https://openalex.org/I1311074006","https://openalex.org/I4387153084"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Helen Campbell","raw_affiliation_strings":["UKHSA Immunisation & Vaccine Preventable Diseases Division,\u00a0United Kingdom"],"raw_orcid":"https://orcid.org/0000-0001-9840-8917","affiliations":[{"raw_affiliation_string":"UKHSA Immunisation & Vaccine Preventable Diseases Division,\u00a0United Kingdom","institution_ids":["https://openalex.org/I4387153084"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5056069203"],"corresponding_institution_ids":["https://openalex.org/I4387153084"],"apc_list":{"value":4030,"currency":"USD","value_usd":4030},"apc_paid":{"value":4030,"currency":"USD","value_usd":4030},"fwci":3.2857,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.93532058,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":"93","issue":"4","first_page":"106836","last_page":"106836"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10873","display_name":"Bacterial Infections and Vaccines","score":0.9945999979972839,"subfield":{"id":"https://openalex.org/subfields/2404","display_name":"Microbiology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T10873","display_name":"Bacterial Infections and Vaccines","score":0.9945999979972839,"subfield":{"id":"https://openalex.org/subfields/2404","display_name":"Microbiology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10833","display_name":"Vaccine Coverage and Hesitancy","score":0.0017000000225380063,"subfield":{"id":"https://openalex.org/subfields/3306","display_name":"Health"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12499","display_name":"Diphtheria, Corynebacterium, and Tetanus","score":0.0008999999845400453,"subfield":{"id":"https://openalex.org/subfields/2725","display_name":"Infectious Diseases"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/pertussis","display_name":"pertussis","score":0.9850000143051147},{"id":"https://openalex.org/keywords/maternal-pertussis-vaccination","display_name":"maternal pertussis vaccination","score":0.7400000095367432},{"id":"https://openalex.org/keywords/vaccine-effectiveness","display_name":"vaccine effectiveness","score":0.9350000023841858},{"id":"https://openalex.org/keywords/infant-pertussis","display_name":"infant pertussis","score":0.7770000100135803},{"id":"https://openalex.org/keywords/pertussis-mortality","display_name":"pertussis mortality","score":0.949999988079071},{"id":"https://openalex.org/keywords/england","display_name":"England","score":0.46799999475479126}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.9243000149726868},{"id":"https://openalex.org/C187212893","wikidata":"https://www.wikidata.org/wiki/Q123028","display_name":"Pediatrics","level":1,"score":0.5873000025749207},{"id":"https://openalex.org/C2778376644","wikidata":"https://www.wikidata.org/wiki/Q2253111","display_name":"Gestational age","level":3,"score":0.5479000210762024},{"id":"https://openalex.org/C2779234561","wikidata":"https://www.wikidata.org/wiki/Q11995","display_name":"Pregnancy","level":2,"score":0.48539999127388},{"id":"https://openalex.org/C131872663","wikidata":"https://www.wikidata.org/wiki/Q5284418","display_name":"Obstetrics","level":1,"score":0.48260000348091125},{"id":"https://openalex.org/C138816342","wikidata":"https://www.wikidata.org/wiki/Q189603","display_name":"Public health","level":2,"score":0.4629000127315521},{"id":"https://openalex.org/C2779634000","wikidata":"https://www.wikidata.org/wiki/Q7170955","display_name":"Pertussis vaccine","level":4,"score":0.41679999232292175},{"id":"https://openalex.org/C2780938740","wikidata":"https://www.wikidata.org/wiki/Q1298973","display_name":"Small for gestational age","level":4,"score":0.4032000005245209},{"id":"https://openalex.org/C46973012","wikidata":"https://www.wikidata.org/wiki/Q28627","display_name":"Gestation","level":3,"score":0.38580000400543213},{"id":"https://openalex.org/C50440223","wikidata":"https://www.wikidata.org/wiki/Q1475848","display_name":"Risk factor","level":2,"score":0.36559998989105225},{"id":"https://openalex.org/C138147947","wikidata":"https://www.wikidata.org/wiki/Q1183659","display_name":"Declaration","level":2,"score":0.34310001134872437},{"id":"https://openalex.org/C112299071","wikidata":"https://www.wikidata.org/wiki/Q835884","display_name":"Infant mortality","level":3,"score":0.34139999747276306},{"id":"https://openalex.org/C2779214499","wikidata":"https://www.wikidata.org/wiki/Q134859","display_name":"Whooping cough","level":3,"score":0.27959999442100525},{"id":"https://openalex.org/C2780801004","wikidata":"https://www.wikidata.org/wiki/Q1415366","display_name":"Immunization","level":3,"score":0.2784000039100647},{"id":"https://openalex.org/C107130276","wikidata":"https://www.wikidata.org/wiki/Q133805","display_name":"Epidemiology","level":2,"score":0.2782000005245209},{"id":"https://openalex.org/C205545832","wikidata":"https://www.wikidata.org/wiki/Q17156455","display_name":"Young adult","level":2,"score":0.26570001244544983},{"id":"https://openalex.org/C3018031340","wikidata":"https://www.wikidata.org/wiki/Q6786626","display_name":"Maternal morbidity","level":3,"score":0.26499998569488525},{"id":"https://openalex.org/C2779473830","wikidata":"https://www.wikidata.org/wiki/Q1540899","display_name":"MEDLINE","level":2,"score":0.26249998807907104},{"id":"https://openalex.org/C2776344615","wikidata":"https://www.wikidata.org/wiki/Q625506","display_name":"Premature birth","level":4,"score":0.26089999079704285},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.2529999911785126},{"id":"https://openalex.org/C2992125907","wikidata":"https://www.wikidata.org/wiki/Q1741837","display_name":"Child health","level":2,"score":0.2522999942302704}],"mesh":[{"descriptor_ui":"D000086382","descriptor_name":"COVID-19","qualifier_ui":"Q000453","qualifier_name":"epidemiology","is_major_topic":true},{"descriptor_ui":"D000087507","descriptor_name":"Vaccine Efficacy","qualifier_ui":"Q000706","qualifier_name":"statistics & numerical data","is_major_topic":true},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004739","descriptor_name":"England","qualifier_ui":"Q000453","qualifier_name":"epidemiology","is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006760","descriptor_name":"Hospitalization","qualifier_ui":"Q000706","qualifier_name":"statistics & numerical data","is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007223","descriptor_name":"Infant","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007231","descriptor_name":"Infant, Newborn","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D010567","descriptor_name":"Pertussis Vaccine","qualifier_ui":"Q000008","qualifier_name":"administration & dosage","is_major_topic":true},{"descriptor_ui":"D010567","descriptor_name":"Pertussis Vaccine","qualifier_ui":"Q000276","qualifier_name":"immunology","is_major_topic":true},{"descriptor_ui":"D011247","descriptor_name":"Pregnancy","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D014611","descriptor_name":"Vaccination","qualifier_ui":"Q000706","qualifier_name":"statistics & numerical data","is_major_topic":false},{"descriptor_ui":"D014917","descriptor_name":"Whooping Cough","qualifier_ui":"Q000453","qualifier_name":"epidemiology","is_major_topic":true},{"descriptor_ui":"D014917","descriptor_name":"Whooping Cough","qualifier_ui":"Q000517","qualifier_name":"prevention & control","is_major_topic":true},{"descriptor_ui":"D015994","descriptor_name":"Incidence","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":3,"locations":[{"id":"doi:10.1016/j.jinf.2026.106836","doi":"https://doi.org/10.1016/j.jinf.2026.106836","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.jinf.2026.106836","pdf_url":null,"source":{"id":"https://openalex.org/S19579164","display_name":"Journal of Infection","issn_l":"0163-4453","issn":["0163-4453","1532-2742"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-b","doyens","jufo-2","ki-jl-2","medline","norway-2","poland-200","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Infection","raw_type":"journal-article"},{"id":"pmid:42674297","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/42674297","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Journal of infection","raw_type":"Journal Article"},{"id":"pmh:oai:doaj.org/article:0cea9468b39544a6904ec730959e2f40","doi":null,"is_oa":false,"landing_page_url":"https://doaj.org/article/0cea9468b39544a6904ec730959e2f40","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Journal of Infection, Vol 93, Iss 4, Pp 106836- (2026)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1016/j.jinf.2026.106836","doi":"https://doi.org/10.1016/j.jinf.2026.106836","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.jinf.2026.106836","pdf_url":null,"source":{"id":"https://openalex.org/S19579164","display_name":"Journal of Infection","issn_l":"0163-4453","issn":["0163-4453","1532-2742"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-b","doyens","jufo-2","ki-jl-2","medline","norway-2","poland-200","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Infection","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Good health and well-being","score":1.0,"id":"https://metadata.un.org/sdg/3"}],"study_designs":[{"display_name":"Observational Study","id":"https://openalex.org/study-designs/observational-study"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W2081858709","https://openalex.org/W2088199958","https://openalex.org/W2120196942","https://openalex.org/W2121403515","https://openalex.org/W2144437696","https://openalex.org/W2509509846","https://openalex.org/W4214663367","https://openalex.org/W4405610681","https://openalex.org/W4407748548","https://openalex.org/W4416867501"],"related_works":["https://openalex.org/W2121403515","https://openalex.org/W2102788190","https://openalex.org/W7096225289","https://openalex.org/W7154687539","https://openalex.org/W4291145891","https://openalex.org/W4387440124","https://openalex.org/W2554060857","https://openalex.org/W4298007168","https://openalex.org/W2624177571","https://openalex.org/W2789275369"],"abstract_inverted_index":{"OBJECTIVES:":[0],"In":[1],"2024,":[2,63],"pertussis":[3,112,162,194],"peaked":[4],"at":[5,135,168],"nearly":[6],"15,000":[7],"confirmed":[8],"cases":[9,56],"in":[10,34,57,71,118,191,197],"England":[11],"leading":[12],"to":[13,47,79,92,172],"the":[14,28,72,86,165,177,181,192],"declaration":[15],"of":[16,164,180],"a":[17,189],"national":[18],"public":[19],"health":[20],"incident.":[21],"Infants":[22],"aged":[23],"under":[24,58,120],"3":[25,121],"months":[26],"had":[27,44],"highest":[29],"incidence,":[30],"with":[31,131,149],"eleven":[32],"deaths":[33],"2024.":[35],"The":[36],"maternal":[37,81,96,156],"programme":[38,182],"effectiveness":[39,83,179],"was":[40,101,113,126,158,187],"reassessed":[41],"as":[42],"eligibility":[43],"been":[45,184],"extended":[46],"16":[48],"weeks":[49],"since":[50],"earlier":[51,173],"estimates.":[52],"METHODS:":[53],"188":[54],"laboratory-confirmed":[55,111],"3-month-olds":[59],"from":[60,68],"January":[61],"2020-March":[62],"and":[64,98,106,186,199],"matched":[65,91],"coverage":[66,93],"data":[67],"453,740":[69],"pregnancies":[70],"Clinical":[73],"Practice":[74],"Research":[75],"Datalink,":[76],"were":[77,90,147],"used":[78],"estimate":[80],"vaccine":[82],"(VE)":[84],"using":[85],"screening":[87],"method.":[88],"Cases":[89],"by":[94],"birth-month,":[95],"age":[97,145,167],"region.":[99],"VE":[100,109,123,132,140,157],"estimated":[102,159],"against":[103,110,124,133],"disease,":[104],"hospitalisation":[105,125],"death.":[107],"RESULTS:":[108],"84.6%":[114],"(95%":[115,128,137],"CI":[116,129,138],"76.9%-89.7%)":[117],"infants":[119],"months.":[122],"88.2%":[127],"81%-92.7%)":[130],"death":[134],"91.5%":[136],"75.4%-97.1%).":[139],"estimates":[141],"for":[142,160],"each":[143],"gestational":[144,166],"category":[146],"high,":[148],"no":[150],"statistically":[151],"significant":[152],"differences.":[153],"CONCLUSION:":[154],"High":[155],"infant":[161],"regardless":[163],"vaccination.":[169],"Results":[170],"comparable":[171],"estimates,":[174],"indicate":[175],"that":[176],"high":[178],"has":[183],"maintained":[185],"not":[188],"factor":[190],"post-pandemic":[193],"resurgence":[195],"observed":[196],"England,":[198],"internationally.":[200]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-11-06T12:05:46.655746","created_date":"2026-09-01T00:00:00"}