Two COVID-19 animal models, including humanized Ace2 micehuman peripheral blood lymphocyte transplanted mice, are used to mimic COVID-19 infection, immune responsecytokine release syndrome in human. The immune analytical platform can further outline the immune cell, cytokinebiomarker response pattern after viral infection. The COVID-19 humanized animal modelthe immune analytical platform will support COVID-19 related researchfacilitate new drugnew therapy validation.