{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,9]],"date-time":"2026-05-09T08:22:56Z","timestamp":1778314976679,"version":"3.51.4"},"reference-count":11,"publisher":"Elsevier BV","issue":"6","license":[{"start":{"date-parts":[[2022,11,1]],"date-time":"2022-11-01T00:00:00Z","timestamp":1667260800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2022,11,1]],"date-time":"2022-11-01T00:00:00Z","timestamp":1667260800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2023,8,22]],"date-time":"2023-08-22T00:00:00Z","timestamp":1692662400000},"content-version":"am","delay-in-days":294,"URL":"http:\/\/www.elsevier.com\/open-access\/userlicense\/1.0\/"}],"funder":[{"DOI":"10.13039\/100009619","name":"Japan Agency for Medical Research and Development","doi-asserted-by":"publisher","award":["JP20fk0108453"],"award-info":[{"award-number":["JP20fk0108453"]}],"id":[{"id":"10.13039\/100009619","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Respiratory Investigation"],"published-print":{"date-parts":[[2022,11]]},"DOI":"10.1016\/j.resinv.2022.08.001","type":"journal-article","created":{"date-parts":[[2022,8,22]],"date-time":"2022-08-22T02:24:21Z","timestamp":1661135061000},"page":"772-778","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":25,"title":["Comparison of COVID-19 pneumonia during the SARS-CoV-2 Omicron wave and the previous non-Omicron wave in a single facility"],"prefix":"10.1016","volume":"60","author":[{"given":"Noriaki","family":"Ito","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yoshihiro","family":"Kitahara","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kei","family":"Miwata","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mafumi","family":"Okimoto","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Toshiro","family":"Takafuta","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"key":"10.1016\/j.resinv.2022.08.001_bib2","doi-asserted-by":"crossref","first-page":"437","DOI":"10.1016\/S0140-6736(22)00017-4","article-title":"Early assessment of the clinical severity of the SARS-CoV-2 Omicron variant in South Africa: a data linkage study","volume":"399","author":"Wolter","year":"2022","journal-title":"Lancet"},{"key":"10.1016\/j.resinv.2022.08.001_bib3","doi-asserted-by":"crossref","first-page":"715","DOI":"10.1038\/s41586-022-04479-6","article-title":"SARS-CoV-2 Omicron variant replication in human bronchus and lung ex\u00a0vivo","volume":"603","author":"Hui","year":"2022","journal-title":"Nature"},{"key":"10.1016\/j.resinv.2022.08.001_bib4","doi-asserted-by":"crossref","first-page":"327","DOI":"10.4329\/wjr.v13.i10.327","article-title":"COVID-19 pneumonia: a review of typical radiological characteristics","volume":"13","author":"Churruca","year":"2021","journal-title":"World J Radiol"},{"key":"10.1016\/j.resinv.2022.08.001_bib5","doi-asserted-by":"crossref","first-page":"241","DOI":"10.1002\/jmv.26218","article-title":"Meta-analysis of chest CT features of patients with COVID-19 pneumonia","volume":"93","author":"Zheng","year":"2021","journal-title":"J Med Virol"},{"key":"10.1016\/j.resinv.2022.08.001_bib6","doi-asserted-by":"crossref","first-page":"4910","DOI":"10.1007\/s00330-020-06880-z","article-title":"Characteristic CT findings distinguishing 2019 novel coronavirus disease (COVID-19) from influenza pneumonia","volume":"30","author":"Wang","year":"2020","journal-title":"Eur Radiol"},{"key":"10.1016\/j.resinv.2022.08.001_bib7","doi-asserted-by":"crossref","first-page":"210","DOI":"10.1148\/radiol.2020200274","article-title":"Emerging 2019 novel coronavirus (2019-nCoV) pneumonia","volume":"295","author":"Song","year":"2020","journal-title":"Radiology"},{"key":"10.1016\/j.resinv.2022.08.001_bib8","doi-asserted-by":"crossref","first-page":"e3677","DOI":"10.1093\/cid\/ciaa1470","article-title":"Clinical epidemiology of hospitalized patients with coronavirus disease 2019 (COVID-19) in Japan: report of the COVID-19 Registry Japan","volume":"73","author":"Matsunaga","year":"2021","journal-title":"Clin Infect Dis"},{"key":"10.1016\/j.resinv.2022.08.001_bib9","doi-asserted-by":"crossref","first-page":"38","DOI":"10.1016\/j.ijid.2021.12.357","article-title":"Decreased severity of disease during the first global omicron variant covid-19 outbreak in a large hospital in tshwane, South Africa","volume":"116","author":"Abdullah","year":"2022","journal-title":"Int J Infect Dis"},{"key":"10.1016\/j.resinv.2022.08.001_bib10","author":"Ministry of Health and Welfare"},{"key":"10.1016\/j.resinv.2022.08.001_bib12","doi-asserted-by":"crossref","first-page":"107","DOI":"10.1038\/s41586-021-03570-8","article-title":"COVID-19 tissue atlases reveal SARS-CoV-2 pathology and cellular targets","volume":"595","author":"Delorey","year":"2021","journal-title":"Nature"},{"key":"10.1016\/j.resinv.2022.08.001_bib13","doi-asserted-by":"crossref","first-page":"203","DOI":"10.1136\/thoraxjnl-2021-217561","article-title":"Respiratory epithelial cell responses to SARS-CoV-2 in COVID-19","volume":"77","author":"Bridges","year":"2022","journal-title":"Thorax"}],"container-title":["Respiratory Investigation"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S2212534522001125?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S2212534522001125?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,10,31]],"date-time":"2025-10-31T22:32:28Z","timestamp":1761949948000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S2212534522001125"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2022,11]]},"references-count":11,"journal-issue":{"issue":"6","published-print":{"date-parts":[[2022,11]]}},"alternative-id":["S2212534522001125"],"URL":"https:\/\/doi.org\/10.1016\/j.resinv.2022.08.001","relation":{},"ISSN":["2212-5345"],"issn-type":[{"value":"2212-5345","type":"print"}],"subject":[],"published":{"date-parts":[[2022,11]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Comparison of COVID-19 pneumonia during the SARS-CoV-2 Omicron wave and the previous non-Omicron wave in a single facility","name":"articletitle","label":"Article Title"},{"value":"Respiratory Investigation","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.resinv.2022.08.001","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2022 The Japanese Respiratory Society. Published by Elsevier B.V. All rights reserved.","name":"copyright","label":"Copyright"}]}}