In contrast to the RNA seq data, RT-qPCR analysis with two different primer sets (designated Ppb4 and Ppb8 in Table 1) on RNA from E7.5 placentae showed a downregulation of Ppbp (p = 0.01, p = 0.04, respectively) in placentae from influenza-inoculated litters compared to controls. The gene discussed is PPBP; the disease is influenza.