CD4 and lymphopenia: ‐Safe and well tolerated without AEs or SAEs‐Increase pressure of arterial oxygen to fraction of inspired oxygen ratio (PaO2/FiO2)‐Reduce neutrophil count‐Increase lymphopenia including CD3+, CD4+, and CD8+ lymphocyte‐Decline acute phase reactants, with mean C‐reactive protein, ferritin, and D‐dimer reduction