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A month prior to this presentation, she was admitted with COVID-19 pneumonia, with maximal oxygen requirement of 2\u2009L, but was discharged without need for supplemental oxygen. On readmission, she was found to have severe, rapidly progressive pulmonary fibrosis. After all precipitating causes were ruled out, it was felt her recent COVID-19 infection was the exacerbating factor causing progression of pulmonary fibrosis. COVID-19 infection has been hypothesised to cause long term pulmonary fibrosis, but this is the first case highlighting COVID-19 infection as the causative agent exacerbating IPF.<\/jats:p>","DOI":"10.1136\/bcr-2021-244472","type":"journal-article","created":{"date-parts":[[2021,10,19]],"date-time":"2021-10-19T13:33:42Z","timestamp":1634650422000},"page":"e244472","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":6,"title":["Severe progression of idiopathic pulmonary fibrosis post-COVID-19 infection"],"prefix":"10.1136","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4261-3900","authenticated-orcid":false,"given":"Naomi","family":"Earl","sequence":"first","affiliation":[{"name":"Respiratory Medicine, Tunbridge Wells Hospital, Tunbridge Wells, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dillon","family":"Schoeneberg","sequence":"additional","affiliation":[{"name":"Respiratory Medicine, Tunbridge Wells Hospital, Tunbridge Wells, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Philip D","family":"Davidson","sequence":"additional","affiliation":[{"name":"Respiratory Medicine, Tunbridge Wells Hospital, Tunbridge Wells, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2021,10,19]]},"reference":[{"key":"2025082700324028000_14.10.e244472.1","unstructured":"UK Government . 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