Regarding the inflammatory cytokines, including G-CSF, GM-CSF, TNF-α, IL-1b, IL-6, and IL-17, the HD patients in the breakthrough infection group had higher TNF-α and IL-6 levels than those in the booster immunization group (p = 0.017 and 0.039, respectively). The gene discussed is CSF2; the disease is Huntington disease.