RecruitingPhase 3Biological interventionA Safety, Tolerability, and Efficacy Study of VX-880 and VX-017 in Participants With Type 1 DiabetesThis study will evaluate the safety, tolerability and efficacy of VX-880 infusion and VX-017 infusion in participants with type 1 diabetes (T1D) and impaired awareness of hypoglycemia (IAH) and severe hypoglycemia.