Many experts are convinced that COVID-19 can trigger the onset of diabetes - even in some adults and children who do not have the traditional risk factors. It’s already been well-documented that people with diabetes face much higher risks of severe illness or death if they contract COVID-19. In July, U.S. health officials found that nearly 40% of people who have died with COVID-19 had diabetes. Now, cases like Buelna’s suggest the connection between the diseases runs both ways.