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What do we know about the origin of COVID-19 three years later?
Zapatero Gaviria, A; Barba Martin, R.
  • Zapatero Gaviria A; Servicio Medicina Interna, Hospital Universitario Fuenlabrada, Universidad Rey Juan Carlos, Madrid. Electronic address: antonio.zapatero@salud.madrid.org.
  • Barba Martin R; Servicio Medicina Interna, Hospital Universitario Rey Juan Carlos, Universidad Rey Juan Carlos, Móstoles, Madrid.
Rev Clin Esp (Barc) ; 223(4): 240-243, 2023 04.
Article in English | MEDLINE | ID: covidwho-2288311
ABSTRACT
More than three years have passed since the first case of a new coronavirus infection (SARS-CoV-2) in the city of Wuhan (Hubei, China). The Wuhan Institute of Virology was founded in that city in 1956 and the country's first biosafety level 4 laboratory opened within that center in 2015. The coincidence that the first cases of infection emerged in the city where the virology institute's headquarters is located, the failure to 100% identify the virus' RNA in any of the coronaviruses isolated in bats, and the lack of evidence on a possible intermediate animal host in the contagion's transmission make it so that at present, there are doubts about the real origin of SARS-CoV-2. This article will review two theories SARS-CoV-2 as a virus of zoonotic origin or as a leak from the high-level biosafety laboratory in Wuhan.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Chiroptera / COVID-19 Type of study: Observational study Limits: Animals Country/Region as subject: Asia Language: English Journal: Rev Clin Esp (Barc) Year: 2023 Document Type: Article

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Chiroptera / COVID-19 Type of study: Observational study Limits: Animals Country/Region as subject: Asia Language: English Journal: Rev Clin Esp (Barc) Year: 2023 Document Type: Article