Subject(s)

Betacoronavirus , Clinical Laboratory Techniques/methods , Coronavirus Infections/epidemiology , Eye Diseases/epidemiology , Outpatients , Pandemics , Pneumonia, Viral/epidemiology , COVID-19 , COVID-19 Testing , Comorbidity , Coronavirus Infections/diagnosis , Eye Diseases/diagnosis , Humans , Pneumonia, Viral/diagnosis , SARS-CoV-2