Many case reports have noted that COVID-19 infection is associated with an increased incidence of Diabetes Mellitus. The causal mechanisms have not been established. In a recent population-based cohort study reported in Diabetes Care, Holman, N. et al. (https://doi.org/10.2337/dc22-0670) compared the incidence of Diabetes following hospital admission for COVID-19 to a matched group with non-COVID-19 pneumonia. They found that the incidence of Diabetes in the COVID-19 group was not different statistically than the incidence of Diabetes in the non-COVID pneumonia group. This suggests that the Diabetes following COVID-19 infection was due to the stress effect of infection rather than a unique impact of COVID-19.
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