what is the meaning by covad 19
Answers
Covid 19 is a disease caused by a new strain of coronavirus. 'CO' stands for corona, 'VI' stands for virus and 'D' stands for disease. Formerly, this disease was referred to as '2019 novel corona virus' or '2019-nCoV'.
Explanation:
Coronaviruses are large group viruses that cause illness in humans and animals. Rarely, animal coronavirus can evolve and infect people and then spread between people such as has been seen with MERS and SARS.
Although most human coronavirus infections are mild, the epidemics of the severe acute respiratory syndrome coronavirus (SARS-CoV) and Middle East respiratory syndrome coronavirus (MERS-CoV), have caused more than 10,000 cumulative cases in the past two decades, with mortality rates of 10% for SARS-CoV.
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