IL4R and Allergy: The more potent transition from Common Cold to COVID-19 cocktails was the inclusion of allergy pathway cytokines IL-4 in Cocktail C and IL-13 and IL-4 in Cocktails B and D. Receptors for these 2 cytokines function as a complex in podocytes, and both cytokine storm models induced lesser albuminuria in Il4ra–/– Zhx2hypo/hypo mice.