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Group comparison revealed no increased risk of psoriasis flaring after COVID\u201019 vaccination. The vaccinated group received 425 doses of vaccine (140 inactivated, 230 viral vector and 55 mRNA). Patients' self\u2010reported symptoms included all three platforms causing psoriasis flare, but the highest was among patients administered with mRNA vaccines. Most flares were mild to moderate, and most patients (89.8%) managed their flare\u2010up lesions without rescue therapy. In conclusion, our study showed that the rate of psoriasis flare was not significantly different between vaccinated and unvaccinated groups. Factors that might explain psoriasis flare include vaccine\u2010related psychological stress and side effects from vaccination. Different platforms of corona vaccines seemed to have different impact of psoriasis flares. Based on our results and the recommendations of several consensus guidelines, the benefits of COVID vaccinations outweigh the risks to patients with psoriasis. Patients with psoriasis should receive a COVID vaccine as soon as one is available.<\/jats:p>","DOI":"10.1111\/exd.14793","type":"journal-article","created":{"date-parts":[[2023,3,21]],"date-time":"2023-03-21T00:19:28Z","timestamp":1679357968000},"page":"922-929","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Do different platforms of coronavirus vaccines have different impacts on psoriasis flares?"],"prefix":"10.1111","volume":"32","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6625-6445","authenticated-orcid":false,"given":"Leena","family":"Chularojanamontri","sequence":"first","affiliation":[{"name":"Department of Dermatology, Faculty of Medicine Siriraj Hospital Mahidol University  Bangkok Thailand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Surachanee","family":"Likittanasombat","sequence":"additional","affiliation":[{"name":"Department of Dermatology, Faculty of Medicine Siriraj Hospital Mahidol University  Bangkok Thailand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chayada","family":"Chaiyabutr","sequence":"additional","affiliation":[{"name":"Department of Dermatology, Faculty of Medicine Siriraj Hospital Mahidol University  Bangkok Thailand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Narumol","family":"Silpa\u2010archa","sequence":"additional","affiliation":[{"name":"Department of Dermatology, Faculty of Medicine Siriraj Hospital Mahidol University  Bangkok Thailand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9014-3229","authenticated-orcid":false,"given":"Chanisada","family":"Wongpraparut","sequence":"additional","affiliation":[{"name":"Department of Dermatology, Faculty of Medicine Siriraj Hospital Mahidol University  Bangkok Thailand"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2023,3,20]]},"reference":[{"key":"e_1_2_11_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/dth.15110"},{"key":"e_1_2_11_3_1","doi-asserted-by":"publisher","DOI":"10.5582\/ddt.2021.01064"},{"key":"e_1_2_11_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jaad.2021.07.054"},{"key":"e_1_2_11_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jaad.2020.09.001"},{"key":"e_1_2_11_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jaad.2020.12.058"},{"key":"e_1_2_11_7_1","unstructured":"IPC statement on COVID\u201019 and psoriasis. 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