What is meaning of covid 19
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COVID-19 is a disease caused by a new strain of coronavirus. 'CO' stands for corona, 'VI' for virus, and 'D' for disease. Formerly, this disease was referred to as '2019 novel coronavirus' or '2019-nCoV.'
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from the guide
Explanation:
a mild to severe respiratory illness that is caused by a corona virus (Severe acute respiratory syndrome corona virus 2 of the genus Beta corona virus), is transmitted chiefly by contact with infectious material (such as respiratory droplets) or with objects or surfaces contaminated by the causative virus, and is characterized especially by fever, cough, and shortness of breath and may progress to pneumonia and respiratory failure
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