label: Complete or near-complete absence of specific antibody response to Haemophilus influenzae type b (Hib) vaccine
label_lc: complete or near-complete absence of specific antibody response to haemophilus influenzae type b (hib) vaccine
description: "The inability to synthesize postvaccination antibodies against a Haemophilus influenzae type b (Hib) antigen, as measured by antibody titer determination following vaccination."