{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,4]],"date-time":"2026-08-04T16:26:12Z","timestamp":1785860772508,"version":"3.56.0"},"reference-count":33,"publisher":"Oxford University Press (OUP)","issue":"8","funder":[{"DOI":"10.13039\/100000030","name":"Centers for Disease Control and Prevention","doi-asserted-by":"publisher","award":["200-2012-53526"],"award-info":[{"award-number":["200-2012-53526"]}],"id":[{"id":"10.13039\/100000030","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2026,8,4]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Rotavirus vaccines (RVs) are coadministered in the United States with diphtheria\u2013tetanus\u2013acellular pertussis (DTaP) vaccines but have age restrictions for the first and last doses. We examined how delays in preventive care visits for vaccination affected RV initiation and series completion.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We compared the timeliness of DTaP vaccination relative to RV in children born January 1, 2018 to June 30, 2023 across 8 US health systems. Adjusted risk ratios (aRRs) were estimated using modified Poisson regression to identify risk factors for delayed DTaP vaccination and no RV vaccination.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Among 391\u2009892 children who initiated DTaP, 12\u2009546 (3.2%) did not initiate RV. Of these, 7721 (61.5%) children had delayed DTaP initiation and were age-ineligible for RV at the time of DTaP initiation. Children who became eligible for RV during the early stage of the COVID-19 pandemic (March to May 2020) had a higher risk of delayed DTaP and no RV initiation (aRR\u2009=\u20092.20; 95% CI, 1.98-2.45), as did children with fewer than 5 primary care visits within the first year of life (aRR\u2009=\u20094.03; 95% CI, 3.81-4.26), and Medicaid recipients (aRR\u2009=\u20092.34; 95% CI, 2.23-2.45). Similar factors were associated with failure to complete the RV series due to age restrictions.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Age restrictions may have contributed to lack of RV initiation and series completion in this cohort. Public health strategies tailored to populations at risk for delayed vaccination may be needed to promote timely administration of RV.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1093\/jpids\/piag056","type":"journal-article","created":{"date-parts":[[2026,7,14]],"date-time":"2026-07-14T16:04:53Z","timestamp":1784045093000},"source":"Crossref","is-referenced-by-count":0,"title":["Role of Vaccine Age Restrictions on Rotavirus Vaccine Coverage, Vaccine Safety Datalink 2018-2024"],"prefix":"10.1093","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4300-7416","authenticated-orcid":false,"given":"Jordan E","family":"Cates","sequence":"first","affiliation":[{"name":"Division of Viral Diseases, Centers for Disease Control and Prevention , Atlanta, GA ,","place":["United States"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jacob","family":"Haapala","sequence":"additional","affiliation":[{"name":"Research Division, HealthPartners Institute , 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Health Research Institute, Kaiser Permanente Washington , Seattle, WA ,","place":["United States"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Joshua T B","family":"Williams","sequence":"additional","affiliation":[{"name":"Ambulatory Care Services, Denver Health , Denver, CO ,","place":["United States"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maria E","family":"Sundaram","sequence":"additional","affiliation":[{"name":"Center for Clinical Epidemiology and Population Health, Marshfield Clinic Research Institute , Marshfield, WI ,","place":["United States"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eric S","family":"Weintraub","sequence":"additional","affiliation":[{"name":"Division of Healthcare Quality Promotion, Centers for Disease Control and Prevention , Atlanta, GA ,","place":["United States"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Elyse 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