Clinical characteristics of COVID-19 patients
During an 18-month period (March 2021 to September 2022), blood samples were collected from hospitalized COVID-19 patients. A subset of donors was followed longitudinally at one month (n=44) and up to 6-8 months (n=25). Our analysis focused on the effect of COVID-19 on various T cell subsets and B cell immune responses (Graphical abstract). The clinical and demographic characteristics of the hospitalized COVID-19 cohort are summarized in Table 1. Our hospitalized COVID-19 cohort represents the infection in wider society in terms of biological sex distribution, encompassing 25 males and 19 females, and a mean age of 51.4 years (Table 1). Table 2 provides the biochemical laboratory parameters for the participants in the study. The disease categorization for the patients were moderate or severe as per the guidelines given by the National Institutes of Health [4].
Table 1- Demographic and clinical characteristics of the enrolled study participants