Abstract
Diabetes mellitus a group of metabolic disorders in which a person has high blood sugar, either because the pancrease does not produce enough insulin or because cells do not respond properly to the insulin that is produced. Coronavirus disease (Covid -19) recently emerged with formidable infectivity and high mortality. Emerging data suggest that diabetes is one of the most prevalent comorbidities in patients with covid -19, although casual relationship has not been investigated , where as pre existing diabetes can be considered as a risk factor for the adverse outcome of covid -19 .The present article discussed the literature related to the corelation between diabetes and covid -19.