Regarding H1N1 and H3N2 infection, respectively, although the maximum value for TNFα and IκB ratio was also observed at 16 and 48 hpi, it remained always higher than that detected for H1N1 and H3N2, respectively, at 16 and 48 hpi, or for mock infection, during 16 and 48 hpi. Here, TNF is linked to infection.