COVID-19 is an infectious disease caused by Coronavirus SARS-CoV 2. This new virus and disease were unknown before the outbreak began in Wuhan, China, in December 2019. COVID-19 most causes respiratory symptoms that can feel much like a cold, flu, or pneumonia, but COVID-19 can also harm other parts of the body. It has spread throughout the world, affecting more than 200 countries and millions of people, with discouraging morbidity and mortality figures. On March 12, It was Declared as a world pandemic by WHO. The cause of the severe acute respiratory syndrome that is known as COVID-19 is a novel coronavirus, SARS-CoV-2. The rest is history, albeit a history that is constantly being rewritten: as of 12 May, 82,591 new cases of COVID-19 worldwide were being confirmed daily and the death rate was over 4200 per day. COVID-19 presents an enormous global challenge that has required levels of intervention on a scale that is unprecedented.