Most interestingly, the seroconversion factor (SCF) was significantly higher in cancer patient in comparison to healthy controls: For A/H1N1, the median was 32 vs. 4 (p = 0.02, MWU), for A/H3N2, the median was 16 vs. 4 (p = 0.03) (Fig. 1d). The gene discussed is KITLG; the disease is cancer.