TFPI2 and infection: Within the locus we also identified host genes whose expression increased (Samd9l, Asns, Gpr85, and Tfpi2) or decreased (Pon1, Hepacam2, Tmem106b, and Pppr9a1) 2-fold (P < 0.05) 72 hours after infection with H5N1 IAV in D2, B6 or both mouse strains.