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The SARS-CoV-2 is a novel coronavirus which originated in the province Wuhan, China, in December 2019. It is the causative agent of COVID-19, an infection mainly presenting as mild upper respiratory tract infection, with patients presenting with fever, cough, breathlessness and fatigue. The virus predominantly spreads by a person to person contact, which is why it has spread very rapidly in a short span of time, so much so, that multiple countries are affected at present. The number of casualties is ever increasing. Even though our understanding of the novel coronavirus is improving, many countries, including India, are facing a situation which is not getting better with respect to controlling the pandemic. The number of new cases and deaths are ever increasing. There is a general state of panic among all the sections of the society and almost all are affected. With the number of tests being carried out every day, also increasing, a general idea about the signs and symptoms of the disease as well as the diagnostic criterion aids will further help us control the pandemic. This narrative review focuses on the clinical symptoms, diagnostic aids, risk factors, common clinical symptoms, laboratory findings and complications of COVID-19 and also on post COVID 19 Complications.
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