Created at	Source	Raw Value	Validated value
June 27, 2024, 4 p.m.	usa	inclusion criteria: * covid-19 diagnosis with a positive nasopharyngeal swab, they were discharged from quarantine hospitals after 2 polymerase chain reaction (pcr) swab negative for covid-19, and have persistent radiological changes in follow-up chest computed tomography (ct) chest	inclusion criteria: * covid-19 diagnosis with a positive nasopharyngeal swab, they were discharged from quarantine hospitals after 2 polymerase chain reaction (pcr) swab negative for covid-19, and have persistent radiological changes in follow-up chest computed tomography (ct) chest
Oct. 26, 2020, 11:31 p.m.	usa	inclusion criteria: - covid-19 diagnosis with a positive nasopharyngeal swab, they were discharged from quarantine hospitals after 2 polymerase chain reaction (pcr) swab negative for covid-19, and have persistent radiological changes in follow-up chest computed tomography (ct) chest	inclusion criteria: - covid-19 diagnosis with a positive nasopharyngeal swab, they were discharged from quarantine hospitals after 2 polymerase chain reaction (pcr) swab negative for covid-19, and have persistent radiological changes in follow-up chest computed tomography (ct) chest