Lymphocyte count was negatively associated with IFNγ, IL-2, TNFα,  IL-1α, IFNβ,  IL-6, IL-17A, IL-10, CXCL-10 and VEGF in children with PIMS-TS and COVID-19 (Fig. 7B). The gene discussed is IFNB1; the disease is COVID-19.