write a sentences on 2020 including corona virus and new corona virus
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SARS-CoV-2 belongs to the broad family of viruses known as coronaviruses. It is a positive-sense single-stranded RNA (+ssRNA) virus, with a single linear RNA segment.
Other coronaviruses are capable of causing illnesses ranging from the common cold to more severe diseases such as Middle East respiratory syndrome (MERS, fatality rate ~34%).
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the new covid 19 is less powerful than new one I learn that new covid 2.0 is 70% more powerful than old
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