FIGURE 1.

Graphic summary of studies reporting association between RTIs and islet autoimmunity (IA)/type 1 diabetes (T1D) grouped by participant age during period of infection. ²⁶ , ³⁹ , ⁴⁰ , ⁴¹ , ⁴² , ⁴³ , ⁴⁴ , ⁴⁵ , ⁴⁶ , ⁴⁷ , ⁴⁸ , ⁴⁹ , ⁵⁰ , ⁵¹ , ⁵² , ⁵³ , ⁵⁹ , ⁶⁸ Measures of exposure are categorised by insurance/medical claims data, self‐reported data and molecular data. Each study is represented by the region(s) of the study setting, with the study group or first author in brackets. ABIS = All Babies in Southeast Sweden study; DIPP = Type 1 Diabetes Prediction and Prevention study; MIDIA = Norwegian Environmental Triggers of Type 1 Diabetes study; TEDDY = the Environmental Determinants of Diabetes in the Young study; TRIGR = Trial to Reduce Insulin‐Dependent Diabetes Mellitus.