IL4 and infection: The levels of IFN-γ, IL-4, IL-5, IL-6 and TNF-α were measured in the plasma of HP and non-HP PbNK65 1556Cl1-infected Hsd11b1Del/Del and WT mice at 21 to 24 days (HP) or 28 days (non-HP) after infection (Supplementary Fig. S3).