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Cell ; 184(19): 4848-4856, 2021 09 16.
Article in English | MEDLINE | ID: covidwho-1363914

ABSTRACT

Since the first reports of a novel severe acute respiratory syndrome (SARS)-like coronavirus in December 2019 in Wuhan, China, there has been intense interest in understanding how severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) emerged in the human population. Recent debate has coalesced around two competing ideas: a "laboratory escape" scenario and zoonotic emergence. Here, we critically review the current scientific evidence that may help clarify the origin of SARS-CoV-2.


Subject(s)
SARS-CoV-2/physiology , Animals , Biological Evolution , COVID-19/virology , Humans , Laboratories , SARS-CoV-2/genetics , Zoonoses/virology
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