best diabetic doctors near me diabetes can increase risk of contraction of COVID 19 When it comes to infections, both diabetes type 1 and 2 can increase your risk of contraction. According to Current Diabetes Review, type 2 diabetes can “increase the incidence of infectious diseases and related co-morbidities, ” although more research is needed. Diabetes type 1 also increases risks for morbidity and mortality, according to other studies.