Fourteen genes (CD3E, DUSP1, IFIT2, LTBR, PIR, FOS, CD14, CEBPB, TIMP3, ICAM3, MAPK14, SEPP1, NFIL3, and SLC40A1) had profiles of expression that generally decreased over time in PBMC from one or both breeds after infection (Fig. 5). This evidence concerns the gene FOS and infection.