"The present case suggests that COVID‐19 RNA‐based vaccines might trigger the onset of type 1 diabetes."

36‐year‐old woman developed thirst, polydipsia, polyuria, palpitations, loss of appetite, and fatigue, 3days after 1st dose of Pfizer BNT162b2 mRNA vaccine.

https://pmc.ncbi.nlm.nih.gov/articles/PMC9114989/