CD8⁺ T cells relieve 34-1-2 mAb-induced hypothermia in SCID mice. Rectal temperatures over time (minutes) in control mice receiving nothing (●, N = 10) or SCID mice injected with 2.3 mg/kg 34-1-2s alone (○, N = 20) or SCID mice receiving antibody and a transfer of 2 × 10⁷ purified CD8⁺ T cells (▵, N = 6), CD4⁺ T cells (▿, N = 7), purified CD19⁺ B cells (◊, N = 6), or splenocytes depleted of both CD4⁺ and CD8⁺ T cells (▴, N = 6). Temperatures in BALB/c mice receiving only antibody (□, N = 21) are also shown.