COVID AND THE VACCINE - TRUTH, LIES, AND MISCONCEPTIONS REVEALED, page-99415

Diabetes

• Metformin mitigates insulin signaling variations induced by COVID-19 vaccine boosters in type 2 diabetes
  https://www.medrxiv.org/content/10.1101/2023.12.27.23299358v1
  (Authors report that “61.1% of patients with type 2 diabetes, but not healthy controls, exhibited aggravated insulin resistance towards the booster shots of the COVID-19 vaccine.” Also, about 66.7% of diabetic subjects had increased risks of cardiovascular complications. The authors, after conducting a very deep investigation, proved that Covid vaccines impair glucose tolerance in diabetics via spike protein that they encode. Explanatory article here.)

• Hyperglycemic Emergencies Associated With COVID-19 Vaccination: A Case Series and Discussion
  https://academic.oup.com/jes/article/5/11/bvab141/6375389
  (explanatory article: Reports on three cases of people who developed severe dysregulation of their blood sugar just days after mRNA vaccinations. “The temporal onset of symptoms… and the brisk clinical course strongly suggests that the hyperglycemic emergencies were trigged by the COVID-19 vaccination,” the authors wrote.)