NFKB1 and hepatitis B virus infection: Interestingly, vaccines that were correctly predicted by the antibody-response classifier showed a stronger expression of NF-κB targets in high responders than low responders (Extended Data Fig. 6a; influenza inactivated, log2FC = 2.48; yellow fever, log2FC = 0.743; hepatitis B, log2FC = 1.12).