n-cov19

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), previously known by the provisional name 2019-nCoV, is a positive-sense single-stranded RNA virus. It is contagious in humans and is the cause of coronavirus disease 2019 (COVID-19).SARS-CoV-2 has strong genetic similarity to bat coronaviruses, from which it likely originated, although an intermediate reservoir such as a pangolin is thought to be involved. From a taxonomic perspective SARS-CoV-2 is classified as a strain of the species severe acute respiratory syndrome-related coronavirus.SARS-CoV-2 is the cause of the ongoing 2019–20 coronavirus outbreak, a Public Health Emergency of International Concern that originated in Wuhan, China. Because of this connection, the virus is sometimes referred to informally, among other nicknames, as the "Wuhan coronavirus".

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