{"id":"https://openalex.org/W1506794666","doi":"https://doi.org/10.1111/j.1365-3156.2011.02770.x","title":"Clustered lot quality assurance sampling: a pragmatic tool for timely assessment of vaccination coverage","display_name":"Clustered lot quality assurance sampling: a pragmatic tool for timely assessment of vaccination coverage","publication_year":2011,"publication_date":"2011-04-11","ids":{"openalex":"https://openalex.org/W1506794666","doi":"https://doi.org/10.1111/j.1365-3156.2011.02770.x","mag":"1506794666","pmid":"https://pubmed.ncbi.nlm.nih.gov/21481106"},"language":"en","primary_location":{"id":"doi:10.1111/j.1365-3156.2011.02770.x","doi":"https://doi.org/10.1111/j.1365-3156.2011.02770.x","is_oa":false,"landing_page_url":"https://doi.org/10.1111/j.1365-3156.2011.02770.x","pdf_url":null,"source":{"id":"https://openalex.org/S148484591","display_name":"Tropical Medicine & International Health","issn_l":"1360-2276","issn":["1360-2276","1365-3156"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Tropical Medicine &amp; International Health","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5069375603","display_name":"K. Greenland","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210104433","display_name":"National Institute for Public Health and the Environment","ror":"https://ror.org/01cesdt21","country_code":"NL","type":"facility","lineage":["https://openalex.org/I4210104433"]},{"id":"https://openalex.org/I57210546","display_name":"European Centre for Disease Prevention and Control","ror":"https://ror.org/00s9v1h75","country_code":"SE","type":"government","lineage":["https://openalex.org/I1320481043","https://openalex.org/I57210546"]}],"countries":["NL","SE"],"is_corresponding":false,"raw_author_name":"K. Greenland","raw_affiliation_strings":["Epidemiology and Surveillance Unit, National Institute of Public Health and the Environment, Bilthoven, The Netherlands","European Programme for Intervention Epidemiology Training, European Centre for Disease Prevention and Control, Stockholm, Sweden","K. Greenland M. Rondy contributed equally to the study"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Epidemiology and Surveillance Unit, National Institute of Public Health and the Environment, Bilthoven, The Netherlands","institution_ids":["https://openalex.org/I4210104433"]},{"raw_affiliation_string":"European Programme for Intervention Epidemiology Training, European Centre for Disease Prevention and Control, Stockholm, Sweden","institution_ids":["https://openalex.org/I57210546"]},{"raw_affiliation_string":"K. Greenland M. Rondy contributed equally to the study","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5080499004","display_name":"Marc Rondy","orcid":"https://orcid.org/0000-0002-3246-8068","observed_orcids":["https://orcid.org/0000-0002-3246-8068"]},"institutions":[{"id":"https://openalex.org/I4210104433","display_name":"National Institute for Public Health and the Environment","ror":"https://ror.org/01cesdt21","country_code":"NL","type":"facility","lineage":["https://openalex.org/I4210104433"]},{"id":"https://openalex.org/I57210546","display_name":"European Centre for Disease Prevention and Control","ror":"https://ror.org/00s9v1h75","country_code":"SE","type":"government","lineage":["https://openalex.org/I1320481043","https://openalex.org/I57210546"]}],"countries":["NL","SE"],"is_corresponding":true,"raw_author_name":"M. Rondy","raw_affiliation_strings":["Epidemiology and Surveillance Unit, National Institute of Public Health and the Environment, Bilthoven, The Netherlands","European Programme for Intervention Epidemiology Training, European Centre for Disease Prevention and Control, Stockholm, Sweden","K. Greenland M. Rondy contributed equally to the study"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Epidemiology and Surveillance Unit, National Institute of Public Health and the Environment, Bilthoven, The Netherlands","institution_ids":["https://openalex.org/I4210104433"]},{"raw_affiliation_string":"European Programme for Intervention Epidemiology Training, European Centre for Disease Prevention and Control, Stockholm, Sweden","institution_ids":["https://openalex.org/I57210546"]},{"raw_affiliation_string":"K. Greenland M. Rondy contributed equally to the study","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057461630","display_name":"Ana Elena Ch\u00e9vez","orcid":"https://orcid.org/0000-0002-9359-9387","observed_orcids":["https://orcid.org/0000-0002-9359-9387"]},"institutions":[{"id":"https://openalex.org/I4210139727","display_name":"World Health Organization - Nigeria","ror":"https://ror.org/03v4mhk58","country_code":"NG","type":"government","lineage":["https://openalex.org/I4210105654","https://openalex.org/I4210139727","https://openalex.org/I4210139943"]}],"countries":["NG"],"is_corresponding":false,"raw_author_name":"A. Chevez","raw_affiliation_strings":["WHO Country Office, Abuja, Nigeria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"WHO Country Office, Abuja, Nigeria","institution_ids":["https://openalex.org/I4210139727"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025358741","display_name":"N.A. Sadozai","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210105654","display_name":"World Health Organization","ror":"https://ror.org/01f80g185","country_code":"CH","type":"government","lineage":["https://openalex.org/I4210105654"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"N. Sadozai","raw_affiliation_strings":["Research and Product Development, Global Polio Eradication Initiative, WHO, Geneva, Switzerland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Research and Product Development, Global Polio Eradication Initiative, WHO, Geneva, Switzerland","institution_ids":["https://openalex.org/I4210105654"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029777910","display_name":"Alex Ntale Gasasira","orcid":"https://orcid.org/0000-0002-1381-2732","observed_orcids":["https://orcid.org/0000-0002-1381-2732"]},"institutions":[{"id":"https://openalex.org/I4210139727","display_name":"World Health Organization - Nigeria","ror":"https://ror.org/03v4mhk58","country_code":"NG","type":"government","lineage":["https://openalex.org/I4210105654","https://openalex.org/I4210139727","https://openalex.org/I4210139943"]}],"countries":["NG"],"is_corresponding":false,"raw_author_name":"A. Gasasira","raw_affiliation_strings":["WHO Country Office, Abuja, Nigeria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"WHO Country Office, Abuja, Nigeria","institution_ids":["https://openalex.org/I4210139727"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005074256","display_name":"Emmanuel Ade Abanida","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210158102","display_name":"National Primary Health Care Development Agency","ror":"https://ror.org/05j78sg27","country_code":"NG","type":"government","lineage":["https://openalex.org/I233171062","https://openalex.org/I4210158102"]}],"countries":["NG"],"is_corresponding":false,"raw_author_name":"E. A. Abanida","raw_affiliation_strings":["National Primary Health Care Development Agency, Garki Abuja, Nigeria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Primary Health Care Development Agency, Garki Abuja, Nigeria","institution_ids":["https://openalex.org/I4210158102"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068730474","display_name":"Muhammad Ali Pate","orcid":"https://orcid.org/0000-0001-5295-9844","observed_orcids":["https://orcid.org/0000-0001-5295-9844"]},"institutions":[{"id":"https://openalex.org/I4210158102","display_name":"National Primary Health Care Development Agency","ror":"https://ror.org/05j78sg27","country_code":"NG","type":"government","lineage":["https://openalex.org/I233171062","https://openalex.org/I4210158102"]}],"countries":["NG"],"is_corresponding":false,"raw_author_name":"M. A. Pate","raw_affiliation_strings":["National Primary Health Care Development Agency, Garki Abuja, Nigeria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Primary Health Care Development Agency, Garki Abuja, Nigeria","institution_ids":["https://openalex.org/I4210158102"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018169413","display_name":"Olivier Ronveaux","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210105654","display_name":"World Health Organization","ror":"https://ror.org/01f80g185","country_code":"CH","type":"government","lineage":["https://openalex.org/I4210105654"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"O. Ronveaux","raw_affiliation_strings":["Expanded Programme on Immunization, World Health Organization, Geneva, Switzerland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Expanded Programme on Immunization, World Health Organization, Geneva, Switzerland","institution_ids":["https://openalex.org/I4210105654"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008383277","display_name":"Hiromasa Okayasu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210105654","display_name":"World Health Organization","ror":"https://ror.org/01f80g185","country_code":"CH","type":"government","lineage":["https://openalex.org/I4210105654"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"H. Okayasu","raw_affiliation_strings":["Research and Product Development, Global Polio Eradication Initiative, WHO, Geneva, Switzerland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Research and Product Development, Global Polio Eradication Initiative, WHO, Geneva, Switzerland","institution_ids":["https://openalex.org/I4210105654"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047782528","display_name":"Biagio Pedalino","orcid":"https://orcid.org/0000-0002-2661-4380","observed_orcids":["https://orcid.org/0000-0002-2661-4380"]},"institutions":[{"id":"https://openalex.org/I1298580462","display_name":"Institut de Veille Sanitaire","ror":"https://ror.org/04q5j9b45","country_code":"FR","type":"healthcare","lineage":["https://openalex.org/I1298580462"]},{"id":"https://openalex.org/I57210546","display_name":"European Centre for Disease Prevention and Control","ror":"https://ror.org/00s9v1h75","country_code":"SE","type":"government","lineage":["https://openalex.org/I1320481043","https://openalex.org/I57210546"]}],"countries":["FR","SE"],"is_corresponding":false,"raw_author_name":"B. Pedalino","raw_affiliation_strings":["European Programme for Intervention Epidemiology Training, European Centre for Disease Prevention and Control, Stockholm, Sweden","French Institute for Public Health Surveillance, St Maurice, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"European Programme for Intervention Epidemiology Training, European Centre for Disease Prevention and Control, Stockholm, Sweden","institution_ids":["https://openalex.org/I57210546"]},{"raw_affiliation_string":"French Institute for Public Health Surveillance, St Maurice, France","institution_ids":["https://openalex.org/I1298580462"]}]},{"author_position":"last","author":{"id":null,"display_name":"L. Pezzoli","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210105654","display_name":"World Health Organization","ror":"https://ror.org/01f80g185","country_code":"CH","type":"government","lineage":["https://openalex.org/I4210105654"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"L. Pezzoli","raw_affiliation_strings":["Epidemiology Consultant for WHO, Geneva, Switzerland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Epidemiology Consultant for WHO, Geneva, Switzerland","institution_ids":["https://openalex.org/I4210105654"]}]}],"institutions":[],"countries_distinct_count":5,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5080499004"],"corresponding_institution_ids":["https://openalex.org/I4210104433","https://openalex.org/I57210546"],"apc_list":{"value":3400,"currency":"USD","value_usd":3400},"apc_paid":null,"fwci":4.6337,"has_fulltext":false,"cited_by_count":24,"citation_normalized_percentile":{"value":0.93863986,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":99},"biblio":{"volume":"16","issue":"7","first_page":"863","last_page":"868"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10833","display_name":"Vaccine Coverage and Hesitancy","score":0.864300012588501,"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"}},"topics":[{"id":"https://openalex.org/T10833","display_name":"Vaccine Coverage and Hesitancy","score":0.864300012588501,"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/T10209","display_name":"Global Maternal and Child Health","score":0.020099999383091927,"subfield":{"id":"https://openalex.org/subfields/2735","display_name":"Pediatrics, Perinatology and Child Health"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11539","display_name":"Survey Methodology and Nonresponse","score":0.008700000122189522,"subfield":{"id":"https://openalex.org/subfields/3312","display_name":"Sociology and Political Science"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/polio-vaccination","display_name":"polio vaccination","score":0.4959999918937683},{"id":"https://openalex.org/keywords/wild-poliovirus-transmission","display_name":"wild poliovirus transmission","score":0.7229999899864197},{"id":"https://openalex.org/keywords/northern-nigeria","display_name":"Northern Nigeria","score":0.5389999747276306},{"id":"https://openalex.org/keywords/decision-threshold","display_name":"decision threshold","score":0.550000011920929},{"id":"https://openalex.org/keywords/immunization-program-monitoring","display_name":"immunization program monitoring","score":0.4620000123977661}],"concepts":[{"id":"https://openalex.org/C195454712","wikidata":"https://www.wikidata.org/wiki/Q17133861","display_name":"Lot quality assurance sampling","level":4,"score":0.8191211819648743},{"id":"https://openalex.org/C106436119","wikidata":"https://www.wikidata.org/wiki/Q836575","display_name":"Quality assurance","level":3,"score":0.7972410917282104},{"id":"https://openalex.org/C140779682","wikidata":"https://www.wikidata.org/wiki/Q210868","display_name":"Sampling (signal processing)","level":3,"score":0.5475696921348572},{"id":"https://openalex.org/C2778719706","wikidata":"https://www.wikidata.org/wiki/Q6501447","display_name":"Local government","level":2,"score":0.542125940322876},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.4987339973449707},{"id":"https://openalex.org/C2778137410","wikidata":"https://www.wikidata.org/wiki/Q2732820","display_name":"Government (linguistics)","level":2,"score":0.46344780921936035},{"id":"https://openalex.org/C22070199","wikidata":"https://www.wikidata.org/wiki/Q192995","display_name":"Vaccination","level":2,"score":0.4307994544506073},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.35443609952926636},{"id":"https://openalex.org/C99454951","wikidata":"https://www.wikidata.org/wiki/Q932068","display_name":"Environmental health","level":1,"score":0.3137853741645813},{"id":"https://openalex.org/C20353970","wikidata":"https://www.wikidata.org/wiki/Q1056998","display_name":"Simple random sample","level":3,"score":0.23749098181724548},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.1788855791091919},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.149713397026062},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.13228252530097961},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.12730762362480164},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.09106320142745972},{"id":"https://openalex.org/C2778618615","wikidata":"https://www.wikidata.org/wiki/Q4008393","display_name":"External quality assessment","level":2,"score":0.08783873915672302},{"id":"https://openalex.org/C159047783","wikidata":"https://www.wikidata.org/wiki/Q7215","display_name":"Virology","level":1,"score":0.07722309231758118},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D002675","descriptor_name":"Child, Preschool","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"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":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D009549","descriptor_name":"Nigeria","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011055","descriptor_name":"Poliovirus Vaccine, Oral","qualifier_ui":"Q000008","qualifier_name":"administration & dosage","is_major_topic":true},{"descriptor_ui":"D011785","descriptor_name":"Quality Assurance, Health Care","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D014611","descriptor_name":"Vaccination","qualifier_ui":"Q000592","qualifier_name":"standards","is_major_topic":false},{"descriptor_ui":"D014611","descriptor_name":"Vaccination","qualifier_ui":"Q000706","qualifier_name":"statistics & numerical data","is_major_topic":true},{"descriptor_ui":"D016000","descriptor_name":"Cluster Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D017589","descriptor_name":"Immunization Programs","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D055810","descriptor_name":"Lot Quality Assurance Sampling","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true}],"locations_count":3,"locations":[{"id":"doi:10.1111/j.1365-3156.2011.02770.x","doi":"https://doi.org/10.1111/j.1365-3156.2011.02770.x","is_oa":false,"landing_page_url":"https://doi.org/10.1111/j.1365-3156.2011.02770.x","pdf_url":null,"source":{"id":"https://openalex.org/S148484591","display_name":"Tropical Medicine & International Health","issn_l":"1360-2276","issn":["1360-2276","1365-3156"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Tropical Medicine &amp; International Health","raw_type":"journal-article"},{"id":"pmid:21481106","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/21481106","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":"Tropical medicine & international health : TM & IH","raw_type":"Evaluation Study"},{"id":"pmh:oai:rivm.openrepository.com:10029/645099","doi":null,"is_oa":false,"landing_page_url":"https://rivm.openrepository.com/handle/10029/645099","pdf_url":null,"source":{"id":"https://openalex.org/S4306401681","display_name":"Rivm (National Institute for Public Health and the Environment)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4210104433","host_organization_name":"National Institute for Public Health and the Environment","host_organization_lineage":["https://openalex.org/I4210104433"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8999999761581421,"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being"}],"study_designs":[{"id":"https://openalex.org/study-designs/observational-study","display_name":"Observational Study"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W1573772210","https://openalex.org/W2072881891","https://openalex.org/W2118493890","https://openalex.org/W2137087737","https://openalex.org/W2488384027","https://openalex.org/W2580741706","https://openalex.org/W4231716341","https://openalex.org/W4291284113"],"related_works":["https://openalex.org/W2123819578","https://openalex.org/W7096713942","https://openalex.org/W2118493890","https://openalex.org/W1976128248","https://openalex.org/W2042273262","https://openalex.org/W2409352476","https://openalex.org/W1952084810","https://openalex.org/W2604547522","https://openalex.org/W45296761","https://openalex.org/W2145765447"],"abstract_inverted_index":{"OBJECTIVES:":[0],"To":[1],"evaluate":[2],"oral":[3],"poliovirus":[4,21],"vaccine":[5],"(OPV)":[6],"coverage":[7,105,167,183],"of":[8,45,86,121,196],"the":[9,55,82,109,162,194],"November":[10],"2009":[11],"round":[12],"in":[13,37,48,80,153,184,213],"five":[14],"Northern":[15,185],"Nigeria":[16],"states":[17],"with":[18,103],"ongoing":[19],"wild":[20],"transmission":[22],"using":[23],"clustered":[24],"lot":[25,56,73,91,136,172],"quality":[26,173],"assurance":[27,174],"sampling":[28,88,142,175],"(CLQAS).":[29],"METHODS:":[30],"We":[31,58,96],"selected":[32],"four":[33,123],"local":[34,99],"government":[35,100],"areas":[36,101],"each":[38,49],"pre-selected":[39],"state":[40],"and":[41,69,156,165,178],"sampled":[42],"six":[43],"clusters":[44],"10":[46,138],"children":[47],"Local":[50],"Government":[51],"Area,":[52],"defined":[53],"as":[54],"area.":[57],"used":[59],"three":[60],"decision":[61,145],"thresholds":[62],"to":[63,117,126,133,180,209],"classify":[64],"OPV":[65,182],"coverage:":[66],"75-90%,":[67],"55-70%":[68],"35-50%.":[70],"A":[71],"full":[72],"was":[74,137,146,176],"completed,":[75],"but":[76],"we":[77,148],"also":[78,115,124],"assessed":[79],"retrospect":[81],"potential":[83],"time-saving":[84],"benefits":[85],"stopping":[87,141],"when":[89,143],"a":[90,135,144,202],"had":[92],"been":[93],"classified.":[94],"RESULTS:":[95],"accepted":[97],"two":[98],"(LGAs)":[102],"vaccination":[104,198],"above":[106],"75%.":[107],"Of":[108],"remaining":[110],"18":[111],"rejected":[112],"LGAs,":[113],"11":[114],"failed":[116,125],"reach":[118,127],"70%":[119,164],"coverage,":[120],"which":[122],"50%.":[128],"The":[129,187],"average":[130,160],"time":[131],"taken":[132,212],"complete":[134],"h.":[139],"By":[140],"reached,":[147],"could":[149],"have":[150],"classified":[151],"lots":[152],"5.3,":[154],"7.7":[155],"7.3":[157],"h":[158],"on":[159,193],"at":[161],"90%,":[163],"50%":[166],"targets,":[168],"respectively.":[169],"CONCLUSIONS:":[170],"Clustered":[171],"feasible":[177],"useful":[179,191],"estimate":[181],"Nigeria.":[186],"multi-threshold":[188],"approach":[189],"provided":[190],"information":[192],"variation":[195],"IPD":[197],"coverage.":[199],"CLQAS":[200],"is":[201],"very":[203],"timely":[204],"tool,":[205],"allowing":[206],"corrective":[207],"actions":[208],"be":[210],"directly":[211],"insufficiently":[214],"covered":[215],"areas.":[216]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2021,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":5},{"year":2013,"cited_by_count":3},{"year":2012,"cited_by_count":6}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}
