Coronavirus disease 2019 (COVID-19) is an infectious disease caused by severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2). The most common symptoms of COVID-19 are fever, tiredness and dry cough. Apart from these common symptoms, patients have also reported other symptoms like breathlessness, diarrhea, sore throat, body pains, headache, loss of taste and smell, etc. Many of the COVID-19 positive individuals are even asymptomatic. Though most of the symptomatic patients experience mild to moderate symptoms, in some cases COVID-19 can be fatal. The group of people who are at greater risk of developing COVID-19 related health complications are older people above 60 years of age and those who have pre-existing medical issues like respiratory disorders, cardiovascular disorders, cancers, diabetes, obesity, etc.
