Corona virus disease-2019 (COVID-19) caused by (SARS CoV-2). Highly contagious single strand RNA virus

Demographics: elderly >60y, with comorbidity.

Risk Factors:

• age >65
• Cerebrovascular disease
• Chronic kidney disease
• Specific chronic lung diseases: interstitial lung disease, pulmonary embolism, pulmonary hypertension, bronchiectasis, chronic obstructive pulmonary disease, asthma, tuberculosis
• Specific chronic liver diseases: cirrhosis, nonalcoholic fatty liver disease, alcoholic liver disease, autoimmune hepatitis
• Serious cardiac conditions (eg, heart failure, coronary artery disease, cardiomyopathy)
• Cystic fibrosis
• Diabetes
• Malignancy
• Pregnancy and recent pregnancy
• Obesity
• Immunosupression -  HIV infection, AIDS, long-term use of immunosuppressants, transplant recipients

Incubation: 2-14 days