Corona viruses are a large family of viruses that cause respiratory infections. These can range from the common cold to more serious diseases. COVID -19 is the disease caused by .......................
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Coronavirus disease 2019 (COVID-19) is an infectious disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2).It was first identified in December 2019 in Wuhan, China, and has resulted in.
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