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Coronaviruses. The 2002–2004 outbreak of SARS, caused by severe acute respiratory syndrome coronavirus (SARS-CoV or SARS-CoV-1), infected over 8,000 people from 30 countries and territories, and resulted in at least 774 deaths worldwide. [1] The outbreak was first identified in Foshan, Guangdong, China, in November 2002. [2]
Severe acute respiratory syndrome coronavirus 2 (SARS‑CoV‑2) is a strain of coronavirus that causes COVID-19, the respiratory illness responsible for the COVID-19 pandemic. The virus previously had the provisional name 2019 novel coronavirus (2019-nCoV), and has also been called human coronavirus 2019 (HCoV-19 or hCoV-19).
The Lancet COVID-19 Commission task force. In November 2020, Richard Horton, editor of The Lancet, appointed economist Jeffrey Sachs as chair of its COVID-19 Commission, with wide-ranging goals relating to the virus and pandemic. Sachs set up a number of task forces, including one on the origins of the virus.
The COVID-19 portal. Coronavirus disease 2019 ( COVID-19) is a contagious disease caused by the coronavirus SARS-CoV-2. The first known case was identified in Wuhan, China, in December 2019. Most scientists believe the SARS-CoV-2 virus entered into human populations through natural zoonosis, similar to the SARS-CoV-1 and MERS-CoV outbreaks, and ...
The membrane (M) protein (previously called E1, sometimes also matrix protein [2]) is an integral membrane protein that is the most abundant of the four major structural proteins found in coronaviruses. [3] [4] [5] The M protein organizes the assembly of coronavirus virions through protein-protein interactions with other M protein molecules as ...
BA.2.86 is an Omicron subvariant of SARS-CoV-2, the virus that causes COVID-19. BA.2.86 is notable for having more than thirty mutations on its spike protein relative to BA.2. [1] The subvariant, which was first detected in a sample from 24 July 2023, [2] is of concern due to it having made an evolutionary jump on par with the evolutionary jump ...
The SARS-related coronavirus is an enveloped, positive-sense, single-stranded RNA virus. Its genome is about 30 kb, which is one of the largest among RNA viruses. The virus has 14 open reading frames which overlap in some cases. [19] The genome has the usual 5′ methylated cap and a 3′ polyadenylated tail. [20]
Scientists are only starting to grasp the vast array of health problems caused by the novel coronavirus. Scientists just beginning to understand the many health problems caused by COVID-19 Skip to ...