Fig. 2From: Clinical characteristics and predictive value of lower CD4+T cell level in patients with moderate and severe COVID-19: a multicenter retrospective studya: The histogram shows the proportion of moderate and severe COVID-19 patients with lymphocyte, CD4+T and CD8+T cell levels below the lower limit of normal count; b: The histogram shows the number of CD4+T cells and CD8+T cells in moderate and severe COVID-19 patientsBack to article page