{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T00:53:07Z","timestamp":1787014387512,"version":"build-2736575974"},"reference-count":29,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2022,10,1]],"date-time":"2022-10-01T00:00:00Z","timestamp":1664582400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100019944","name":"Sanofi-Aventis Deutschland","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100019944","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Influenza Resp Viruses"],"published-print":{"date-parts":[[2023,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>The significant annual burden caused by seasonal influenza has led to global calls for increased influenza vaccination coverage rates (VCRs). We aimed to estimate the proportion of the German population at high risk of serious illness from influenza due to chronic conditions and to estimate age\u2010specific VCRs of people with\/without chronic conditions.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Using health insurance claims data covering nine influenza seasons (2010\u20132019), we assessed up to 7 million insured individuals per season across all German regions. Individuals were classified according to age and presence of chronic health conditions. VCRs were estimated using outpatient healthcare utilization documentation.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>In the 2018\u20132019 influenza season, 47.3% of individuals had \u22651 chronic condition. Most common were circulatory disorders, accounting for more than a third of individuals with \u22651 condition. Prevalence of chronic diseases, and therefore the proportion of high\u2010risk individuals, increased slightly over time across most age groups.<\/jats:p>\n                    <jats:p>A downward trend in influenza VCRs was observed in all age groups until the 2017\u20132018 season, followed by a noticeable increase in the 2018\u20132019 season. Highest VCRs occurred among individuals of \u226560\u2009years, with a 38.5% VCR for this age group in the 2018\u20132019 season. Several factors, including age, chronic condition type, and geographical location, affected VCRs.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Influenza VCRs in individuals at high risk of severe complications from influenza infection are insufficient. Our results suggest that intensified public health efforts are necessary to reach the World Health Organization vaccination coverage target of 75%.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/irv.13054","type":"journal-article","created":{"date-parts":[[2022,10,1]],"date-time":"2022-10-01T03:39:49Z","timestamp":1664595589000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":19,"title":["Prevalence of chronic conditions and influenza vaccination coverage rates in Germany: Results of a health insurance claims data analysis"],"prefix":"10.1111","volume":"17","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0261-3655","authenticated-orcid":false,"given":"Oliver","family":"Damm","sequence":"first","affiliation":[{"name":"Sanofi\u2010Aventis Deutschland GmbH  Berlin Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anya","family":"Krefft","sequence":"additional","affiliation":[{"name":"Sanofi\u2010Aventis Deutschland GmbH  Berlin Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jonas","family":"Ahlers","sequence":"additional","affiliation":[{"name":"Sanofi\u2010Aventis Deutschland GmbH  Berlin Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rolf","family":"Kramer","sequence":"additional","affiliation":[{"name":"Sanofi\u2010Aventis Deutschland GmbH  Berlin Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Julian","family":"Witte","sequence":"additional","affiliation":[{"name":"School of Public Health Bielefeld University  Bielefeld Germany"},{"name":"Vandage GmbH  Bielefeld Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Manuel","family":"Batram","sequence":"additional","affiliation":[{"name":"Vandage GmbH  Bielefeld Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5872-2335","authenticated-orcid":false,"given":"J\u00f6rg","family":"Schelling","sequence":"additional","affiliation":[{"name":"Medical Faculty Ludwig\u2010Maximilians\u2010University  Munich Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wolfgang","family":"Greiner","sequence":"additional","affiliation":[{"name":"School of Public Health Bielefeld University  Bielefeld Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2022,10]]},"reference":[{"key":"e_1_2_11_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cmi.2019.02.011"},{"key":"e_1_2_11_3_1","doi-asserted-by":"publisher","DOI":"10.2807\/1560-7917.ES.2018.23.16.17-00454"},{"key":"e_1_2_11_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.vaccine.2018.05.057"},{"key":"e_1_2_11_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.vaccine.2017.12.019"},{"key":"e_1_2_11_6_1","article-title":"Council Recommendation of 22 December 2009 on seasonal influenza vaccination","author":"Council of the European Union","year":"2009","journal-title":"Off J Eur Union"},{"key":"e_1_2_11_7_1","first-page":"3","article-title":"Empfehlungen der St\u00e4ndigen Impfkommission beim Robert Koch\u2010Institut 2021","volume":"34","author":"Robert Koch Institute","year":"2021","journal-title":"Epidemiol Bull"},{"key":"e_1_2_11_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijid.2020.02.040"},{"key":"e_1_2_11_9_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00103\u2010016\u20102467\u20108"},{"key":"e_1_2_11_10_1","doi-asserted-by":"publisher","DOI":"10.1186\/s12889\u2010015\u20101885\u20100"},{"key":"e_1_2_11_11_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.vaccine.2006.02.053"},{"key":"e_1_2_11_12_1","unstructured":"GoffrierB SchulzM B\u00e4tzing\u2010FeigenbaumJ.Administrative Pr\u00e4valenzen und Inzidenzen des Diabetes mellitus von 2009 bis 2015. 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