{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T13:41:46Z","timestamp":1790862106877,"version":"4.1.0"},"reference-count":21,"publisher":"Springer Science and Business Media LLC","issue":"11","license":[{"start":{"date-parts":[[2022,8,22]],"date-time":"2022-08-22T00:00:00Z","timestamp":1661126400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2022,8,22]],"date-time":"2022-08-22T00:00:00Z","timestamp":1661126400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"name":"The Special Fund of the Pediatric Coordinated Development Center of Beijing Hospitals Authority","award":["(XTCX201821)"],"award-info":[{"award-number":["(XTCX201821)"]}]}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["World J Pediatr"],"published-print":{"date-parts":[[2022,11]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>This study aimed to analyze the pathogenic characteristics of community-acquired pneumonia (CAP) in a children\u2019s hospital before and after the coronavirus disease 2019 (COVID-19) pandemic and to provide testimony for preventing CAP in the future.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>A retrospective analysis was performed. The information was collected from the electronic medical record system of the hospital. A total of 2739 children were included from February 1, 2019, to January 31, 2021.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Among these 2739 patients were 1507 (55.02%) males and 1232 (44.98%) females; the median age was 3.84\u00a0years. There were 2364 cases during the pre-COVID-19 period and 375 cases during the post-COVID-19 period. The number of hospitalized children after the pandemic was 84.14% lower. The median age after the onset was 1.5\u00a0years younger than that before the onset (4.08\u00a0years old) (\n                      <jats:italic>Z<\/jats:italic>\n                      \u2009=\u2009\u2212\u00a07.885,\n                      <jats:italic>P<\/jats:italic>\n                      \u2009&lt;\u20090.001). After the pandemic, the proportion of CAP in school-age children and\n                      <jats:italic>Mycoplasma pneumoniae<\/jats:italic>\n                      pneumonia (MPP) and influenza virus pneumonia (IVP) decreased significantly. During the pre-COVID-19 period, the proportions of detected pathogens were as follows: MP (59.56%)\u2009&gt;\u2009bacteria (50.42%)\u2009&gt;\u2009viruses (29.57%)\u2009&gt;\u2009fungi (3.43%). During the post-COVID-19 period, the pathogen proportions were bacteria (56.53%)\u2009&gt;\u2009viruses (53.60%)\u2009&gt;\u2009MP (23.47%)\u2009&gt;\u2009fungi (3.73%).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>There was a significant decrease in the number of children with CAP hospitalized after the pandemic, especially among school-age children, and the pathogen proportions of CAP with MP and IV were significantly decreased. We inferred that CAP was effectively prevented in school-age children because of the strong mitigation measures.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1007\/s12519-022-00592-8","type":"journal-article","created":{"date-parts":[[2022,8,22]],"date-time":"2022-08-22T11:06:27Z","timestamp":1661166387000},"page":"746-752","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":40,"title":["Pathogenic changes of community-acquired pneumonia in a children\u2019s hospital in Beijing, China before and after COVID-19 onset: a retrospective study"],"prefix":"10.1007","volume":"18","author":[{"given":"Li-Na","family":"Zhang","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3495-3892","authenticated-orcid":false,"given":"Ling","family":"Cao","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ling-Hui","family":"Meng","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2022,8,22]]},"reference":[{"key":"592_CR1","doi-asserted-by":"publisher","first-page":"135","DOI":"10.1016\/j.pcl.2008.10.005","volume":"56","author":"SC Ranganathan","year":"2009","unstructured":"Ranganathan SC, Sonnappa S. 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The authors have no conflict of interest to declare.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}}]}}