Minimize glycemic fluctuation decrease the risk of severe illness and death in patients with COVID-19.

The recent coronavirus disease (COVID-19) is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and has been spreading rapidly throughout the continents. The insights in how this viral disease affects general population is thus urgently needed. Diabetes mellitus is one of the leading threats for morbidity and mortality globally. Infection of coronavirus in diabetic patients may trigger acute hyperglycemia due to increased secretion of hyperglycemic hormones, extensive application of glucocorticoids to patients with severe symptoms and the potential pathogenicity of coronavirus in pancreas expressing angiotensin-converting enzyme 2 (ACE2) This article is protected by copyright. All rights reserved.