{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,27]],"date-time":"2025-10-27T20:50:55Z","timestamp":1761598255692,"version":"3.37.3"},"reference-count":10,"publisher":"FapUNIFESP (SciELO)","issue":"suppl 2","license":[{"start":{"date-parts":[[2020,1,1]],"date-time":"2020-01-01T00:00:00Z","timestamp":1577836800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"},{"start":{"date-parts":[[2020,1,1]],"date-time":"2020-01-01T00:00:00Z","timestamp":1577836800000},"content-version":"am","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"},{"start":{"date-parts":[[2020,1,1]],"date-time":"2020-01-01T00:00:00Z","timestamp":1577836800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Rev. Assoc. Med. Bras."],"abstract":"<jats:p>SUMMARY  INTRODUCTION  In this retrospective study, we aimed to investigate the frequency of COVID-19 in patients with and without BCG application due to bladder tumors.  METHODS  The presence of COVID-19 was investigated in 167 patients with BCG and 167 without bladder cancer. All patients were compatible with COVID-19 infection. Patients with RT-PCR positive for SARS-CoV-2 and\/or Chest CT positive for viral pneumonia between March and May 2020 were included in the study.  RESULTS  A total of 334 patients were included in the study. The mean age of the 167 patients in the study group was 71.1\u00b114.2 1 (min. 38.0\u2013 max. 98.0 years), 141 (84.4%) were male. The mean age of the 167 patients in the control group was 70.5\u00b113.8 years (min. 41.0\u2013 max. 96.0 years), and 149 were male (p&gt; 0.05). COVID-19 was detected in 5 patients in the BCG group and in 4 patients in the control group (P&gt; 0.05).  CONCLUSION  Intravesical BCG administration does not decrease the frequency of COVID-19 infection.<\/jats:p>","DOI":"10.1590\/1806-9282.66.s2.91","type":"journal-article","created":{"date-parts":[[2020,9,21]],"date-time":"2020-09-21T19:39:07Z","timestamp":1600717147000},"page":"91-95","source":"Crossref","is-referenced-by-count":10,"title":["Investigation of the frequency of COVID-19 in patients treated with intravesical BCG"],"prefix":"10.1590","volume":"66","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1514-1685","authenticated-orcid":false,"given":"O\u011fuz","family":"Karabay","sequence":"first","affiliation":[{"name":"Sakarya University,  Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1053-3551","authenticated-orcid":false,"given":"Osman","family":"K\u00f6se","sequence":"additional","affiliation":[{"name":"Sakarya University,  Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9078-6996","authenticated-orcid":false,"given":"Aysel","family":"Tocoglu","sequence":"additional","affiliation":[{"name":"Sakarya University,  Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Burak","family":"Uysal","sequence":"additional","affiliation":[{"name":"Sakarya University,  Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3569-6269","authenticated-orcid":false,"given":"Hamad","family":"Dheir","sequence":"additional","affiliation":[{"name":"Sakarya University,  Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6768-7973","authenticated-orcid":false,"given":"Selcuk","family":"Yaylaci","sequence":"additional","affiliation":[{"name":"Sakarya University,  Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2860-2831","authenticated-orcid":false,"given":"Ertugrul","family":"Guclu","sequence":"additional","affiliation":[{"name":"Sakarya University,  Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"530","published-online":{"date-parts":[[2020]]},"reference":[{"key":"ref1","article-title":"Searching an Effective Therapy for the Coronavirus Pandemic: Do We See Light at the End of the Tunnel?","author":"Sharma M","year":"2020","journal-title":"Cureus"},{"key":"ref2","article-title":"European Association of Urology Guidelines on Muscle-invasive and Metastatic Bladder Cancer: Summary of the 2020 Guidelines","author":"Witjes JA","year":"2020","journal-title":"Eur Urol"},{"key":"ref3","article-title":"Demystifying BCG Vaccine and COVID-19 Relationship","author":"Kumar J","year":"2020","journal-title":"Indian 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