In accordance with the previous results obtained in FHL2−/− mice, upon infection with 5 × 105 cfu S. pneumoniae, 88% (7 out of 8) of the FHL2−/− mice that received FHL2−/− NK cells (FHL2−/− NK cells → FHL2−/− mice) died (Figure 3C). Here, FHL2 is linked to infection.