Severity predictors of COVID-19 in SARS-CoV-2 variant, delta and omicron period; single center study.
Fumihiro OgawaYasufumi OiHiroshi HonzawaNaho MisawaTomoaki TakedaYushi KikuchiRyosuke FukuiKatsushi TanakaDaiki KanoHideaki KatoTakeru AbeIchiro TakeuchiPublished in: PloS one (2022)
Time from the onset of COVID-19 to hospitalization is the most important factor in the prevention of the aggravation of COVID-19 caused by the delta and omicron SARS-CoV-2 variants. Appropriate medical management within four days after the onset of COVID-19 is essential for preventing the progression of COVID-19, especially in patients with smoking habits.