Recently, in a study of 71 T1D‐children, 21.1% had a sole antipancreatic islet antibody (N = 15) and showed a TCF7L2 rs7903146‐genotype distribution of 40% CC, 26.7% CT, and 33.3% TT, while T1D‐children with ≥2 islet autoantibody showed a genotype distribution of 50% CC, 42.9% CT, and 7.1% TT (p = 0.024). The gene discussed is TCF7L2; the disease is type 1 diabetes mellitus.