Publication | Open Access

Association of Overlapped and Un-overlapped Comorbidities with COVID-19 Severity and Treatment Outcomes: A Retrospective Cohort Study from Nine Provinces in China.

Retrospective Cohort StudyMedicineCovid-19 PandemicClinical EpidemiologyNine ProvincesEpidemiologic MethodCovid-19 EpidemiologyPublic HealthCovid-19 SeverityEpidemiologyCovid-19Comorbidity