Department of Medicine;
Bahiana School of Medicine and Public Health;
Salvador 40290-000;
Brazil;
Department of Internal Medicine;
Bahiana School of Medicine and Public Health;
Salvador 40290-000;
Brazil;
Department of Internal Medicine;
Hospital Santo Antônio;
Salvador 40415-006;
Brazil;
COVID-19; SARS-CoV-2; Renal dialysis; Renal replacement therapy; Hemodialysis units; Hospital;