IFNG and infection: The ELISA analysis demonstrated that, on day 7 post-infection with either H1N1-CA04 or H7N9-MA, the serum levels of IFN-γ in P125-H-immunized mice were markedly elevated compared to those in the adjuvant control group, indicating that the immunization with P125-H increased the innate immune response of the host after influenza infection (Figure 6C,D).