ارتباط المؤشرات الحيوية البروتينية CCL3 & DOC2B لمرضى السكري مع Covid - 19 == Mechanism of Covid-19 Severity cases of Covid-19 Diabetes Mellitus (DM) Types of DM Diagnosis of diabetes mellitus Laboratory findings in Covid-19 Lactate dehydrogenase C-Reactive Protein Biomarker protein in Covid-19 Independent variable Approval of the ethical committee Measurement and data collection Data Collection Blood collection and storage Determination Serum Insulin Concentration Determination of Alanine Transaminase Determination of Lactate Dehydrogenase Determination of DOC2B Statically and analysis Demographic characteristics of patients Comparisons between Covid-19 with T2DM and Covid-19 Comparison between Coivd-19 with T2DM and T2DM Reagents of determination for glucose Reagent used for ALT Component that use in determination of Ferritin Component that use in determination of D.dimer Reagent provided components of CCI3 determination. Dilution of standard for CCI3 determination Demographic characteristics of Patients Comparisons between Covid-19 patients with T2DM and Covid-19 Comparison between Coivd-19 patients with T2DM and T2DM Sensitivity and specificity of CCL3 &DOC2B for Covid-19 with T2DM and Covid-19.