{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,17]],"date-time":"2026-08-17T12:59:23Z","timestamp":1786971563150,"version":"build-2736575974"},"reference-count":44,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2023,1,3]],"date-time":"2023-01-03T00:00:00Z","timestamp":1672704000000},"content-version":"vor","delay-in-days":2,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"},{"start":{"date-parts":[[2023,1,1]],"date-time":"2023-01-01T00:00:00Z","timestamp":1672531200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Medical Virology"],"published-print":{"date-parts":[[2023,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Coronavirus disease 2019 (COVID\u201019), as well as its prevention and control measures, seriously affected people's livehood, which may have affected the body's level of vitamin D (VD). This study aimed to investigate the effect of the COVID\u201019 pandemic on the VD status of children in Zhengzhou, China. In this study, we included 12\u2009272 children in 2019 (before the COVID\u201019 pandemic) and 16\u2009495 children in 2020 (during the COVID\u201019 pandemic) to examine the changes in VD levels and deficiency rates among children before and during the COVID\u201019 pandemic. Total VD levels in 2020 were significantly higher than those in 2019 (26.56 [18.15, 41.40] vs. 25.98 [17.92, 40.09]\u2009ng\/ml,\n                    <jats:italic>p<\/jats:italic>\n                    \u2009 &lt;\u20090.001). Further analysis revealed that during the COVID\u201019 pandemic control period in 2020, the VD levels in February, March, and April were lower than those in the same months of 2019, while the VD deficiency rates were significantly higher. Additionally, our data revealed that VD levels decreased significantly with age. Among children older than 6 years, the VD deficiency rate exceeded 50%. These results indicate that we should pay close attention to VD supplementation during the COVID\u201019 pandemic control period and in children older than 6 years of age.\n                  <\/jats:p>","DOI":"10.1002\/jmv.28438","type":"journal-article","created":{"date-parts":[[2022,12,27]],"date-time":"2022-12-27T05:01:20Z","timestamp":1672117280000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Influence of the COVID\u201019 pandemic on the vitamin D status of children: A cross\u2010sectional study"],"prefix":"10.1002","volume":"95","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4890-1134","authenticated-orcid":false,"given":"Tiewei","family":"Li","sequence":"first","affiliation":[{"name":"Zhengzhou Key Laboratory of Children's Infection and Immunity, Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital Zhengzhou Children's Hospital  Zhengzhou China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaojuan","family":"Li","sequence":"additional","affiliation":[{"name":"Zhengzhou Key Laboratory of Children's Infection and Immunity, Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital Zhengzhou Children's Hospital  Zhengzhou China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nan","family":"Chen","sequence":"additional","affiliation":[{"name":"Zhengzhou Key Laboratory of Children's Infection and Immunity, Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital Zhengzhou Children's Hospital  Zhengzhou China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jianli","family":"Yang","sequence":"additional","affiliation":[{"name":"Zhengzhou Key Laboratory of Children's Infection and Immunity, Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital Zhengzhou Children's Hospital  Zhengzhou China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Junmei","family":"Yang","sequence":"additional","affiliation":[{"name":"Zhengzhou Key Laboratory of Children's Infection and Immunity, Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital Zhengzhou Children's Hospital  Zhengzhou China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lijun","family":"Bi","sequence":"additional","affiliation":[{"name":"Institute of Biophysics Chinese Academy of Sciences  Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2023,1,3]]},"reference":[{"key":"e_1_2_11_2_1","doi-asserted-by":"publisher","DOI":"10.3390\/nu5093605"},{"key":"e_1_2_11_3_1","doi-asserted-by":"publisher","DOI":"10.4161\/derm.24494"},{"key":"e_1_2_11_4_1","volume-title":"Endotext","author":"Bikle 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