Nature, Published online: 09 June 2026; doi:10.1038/d41586-026-01825-w The shot reduced insulin use for people with type 1 diabetes and another autoimmune condition.

TB vaccine from the 1920s shows promise in diabetes trial
Viviane Callier

Nature, Published online: 09 June 2026; doi:10.1038/d41586-026-01825-w The shot reduced insulin use for people with type 1 diabetes and another autoimmune condition.