Fig. 4
From: A stronger antibody response in increased disease severity of SARS-CoV-2
Antibody IgG-S1 serum titers in 87 hospitalized individuals who recovered from COVID-19 according to oxygen demand (invasive and non-invasive oxygen therapy). There was no statistically significant difference between the samples of participants who received invasive and non-invasive oxygen therapy support at all intervals of days after the onset of the analyzed symptoms