{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T19:25:00Z","timestamp":1790796300345,"version":"4.1.0"},"reference-count":35,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2023,1,10]],"date-time":"2023-01-10T00:00:00Z","timestamp":1673308800000},"content-version":"vor","delay-in-days":9,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100000030","name":"Centers for Disease Control and Prevention","doi-asserted-by":"publisher","award":["NU38OT000297\u201002\u201000"],"award-info":[{"award-number":["NU38OT000297\u201002\u201000"]}],"id":[{"id":"10.13039\/100000030","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000030","name":"Centers for Disease Control and Prevention","doi-asserted-by":"publisher","award":["CK17\u20101701"],"award-info":[{"award-number":["CK17\u20101701"]}],"id":[{"id":"10.13039\/100000030","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 COVID\u201019\u2010Associated Hospitalization Surveillance Network (COVID\u2010NET) required a sampling methodology that allowed for production of timely population\u2010based clinical estimates to inform the ongoing US COVID\u201019 pandemic response.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We developed a flexible sampling approach that considered reporting delays, differential hospitalized case burden across surveillance sites, and changing geographic and demographic trends over time. We incorporated weighting methods to adjust for the probability of selection and non\u2010response, and to calibrate the sampled case distribution to the population distribution on demographics. We additionally developed procedures for variance estimation.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Between March 2020 and June 2021, 19,293 (10.4%) of all adult hospitalized cases were sampled for chart abstraction. Variance estimates for select variables of interest were within desired ranges.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>COVID\u2010NET's sampling methodology allowed for reporting of robust and timely, population\u2010based data on the clinical epidemiology of COVID\u201019\u2010associated hospitalizations and evolving trends over time, while attempting to reduce data collection burden on surveillance sites. Such methods may provide a general framework for other surveillance systems needing to quickly and efficiently collect and disseminate data for public health action.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/irv.13089","type":"journal-article","created":{"date-parts":[[2023,1,10]],"date-time":"2023-01-10T04:41:46Z","timestamp":1673325706000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":16,"title":["Developing a sampling methodology for timely reporting of population\u2010based COVID\u201019\u2010associated hospitalization surveillance in the United States, COVID\u2010NET 2020\u20132021"],"prefix":"10.1111","volume":"17","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7397-7870","authenticated-orcid":false,"given":"Alissa","family":"O'Halloran","sequence":"first","affiliation":[{"name":"COVID\u201019 Response Team Centers for Disease Control and Prevention  Atlanta Georgia USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michael","family":"Whitaker","sequence":"additional","affiliation":[{"name":"COVID\u201019 Response Team Centers for Disease Control and Prevention  Atlanta Georgia USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kadam","family":"Patel","sequence":"additional","affiliation":[{"name":"COVID\u201019 Response Team Centers for Disease Control and Prevention  Atlanta Georgia USA"},{"name":"General Dynamics Information Technology  Atlanta Georgia USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"A. Elizabeth","family":"Allen","sequence":"additional","affiliation":[{"name":"NORC The University of Chicago  Chicago Illinois USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kennon R.","family":"Copeland","sequence":"additional","affiliation":[{"name":"NORC The University of Chicago  Chicago Illinois USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Carrie","family":"Reed","sequence":"additional","affiliation":[{"name":"COVID\u201019 Response Team Centers for Disease Control and Prevention  Atlanta Georgia USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sue","family":"Reynolds","sequence":"additional","affiliation":[{"name":"COVID\u201019 Response Team Centers for Disease Control and Prevention  Atlanta Georgia USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christopher A.","family":"Taylor","sequence":"additional","affiliation":[{"name":"COVID\u201019 Response Team Centers for Disease Control and Prevention  Atlanta Georgia USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fiona","family":"Havers","sequence":"additional","affiliation":[{"name":"COVID\u201019 Response Team Centers for Disease Control and Prevention  Atlanta Georgia USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lindsay","family":"Kim","sequence":"additional","affiliation":[{"name":"COVID\u201019 Response Team Centers for Disease Control and Prevention  Atlanta Georgia USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kirk","family":"Wolter","sequence":"additional","affiliation":[{"name":"NORC The University of Chicago  Chicago Illinois USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shikha","family":"Garg","sequence":"additional","affiliation":[{"name":"COVID\u201019 Response Team Centers for Disease Control and Prevention  Atlanta Georgia USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2023,1,10]]},"reference":[{"key":"e_1_2_9_2_1","unstructured":"CDC.Estimated disease burden of COVID\u201019.https:\/\/www.cdc.gov\/coronavirus\/2019-ncov\/cases-updates\/burden.html. 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