The rapid spread of COVID-19 worldwide has made it incumbent for generating data on the clinical characteristics of the affected patients. In this regard, the present article focuses on the clinical features of the disease, with special reference to the emergency warning signs, clinical course, and complications.

Who is more susceptible to COVID-19? The following populations have been found to be more prone to COVID-19 infections 1,2 : Older adults: >60 years of age People with a chronic health problem, such as hypertension, diabetes, cardiovascular/chronic respiratory disease, or cancer Individuals with sickle cell disease (SCD) Individuals with higher angiotensin-converting enzyme (ACE2) gene expression Tobacco users/smokers People with blood group A 3 Clinical Features Incubation period 1 : The incubation period for COVID-19 is considered to be within 14 days following exposure to…