APOE and infection: There are sixteen genes for which an effect has only been reported for fibrosis and not for infection: APOE, CCN2, HSPA5, IFNGR1, IL22RA2, MAPKAP1, IL1RL1, TNFA, mTOR, AKT2, TGFB1, TGFBR1, TGFBR2, ACVRL1, SMAD9, and SMAD3 (Tables 3, 4).