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The COVID-19 lab leak theory, or lab leak hypothesis, is the idea that SARS-CoV-2, the virus that caused the COVID-19 pandemic, came from a laboratory. This claim is highly controversial; most scientists believe the virus spilled into human populations through natural zoonosis (transfer directly from an infected non-human animal), similar to ...
The nucleocapsid (N) protein is a protein that packages the positive-sense RNA genome of coronaviruses to form ribonucleoprotein structures enclosed within the viral capsid. [2] [3] The N protein is the most highly expressed of the four major coronavirus structural proteins. [2] In addition to its interactions with RNA, N forms protein-protein ...
The COVID-19 pandemic in Canada is part of the ongoing worldwide pandemic of coronavirus disease 2019 ( COVID-19 ). It is caused by severe acute respiratory syndrome coronavirus 2 ( SARS-CoV-2 ). Most cases over the course of the pandemic have been in Ontario, Quebec, British Columbia and Alberta. Confirmed cases have been reported in all of ...
Human coronavirus OC43 [1] ( HCoV-OC43) is a member of the species Betacoronavirus 1, which infects humans and cattle. [2] [3] The infecting coronavirus is an enveloped, positive-sense, single-stranded RNA virus that enters its host cell by binding to the N-acetyl-9-O-acetylneuraminic acid receptor. [4] OC43 is one of seven coronaviruses known ...
The COVID-19 pandemic in Iran has resulted in 7,627,863 confirmed cases of COVID-19 and 146,837 deaths. On 19 February 2020, Iran reported its first confirmed cases of infections in Qom . [5] The virus may have been brought to the country by a merchant from Qom who had travelled to China. [6]
Human coronavirus NL63 ( HCoV-NL63) is a species of coronavirus, specifically a Setracovirus from among the Alphacoronavirus genus. It was identified in late 2004 in patients in the Netherlands by Lia van der Hoek and Krzysztof Pyrc [1] using a novel virus discovery method VIDISCA. [2] Later on the discovery was confirmed by the researchers ...
Anxiety about COVID-19 makes people more willing to "try anything" that might give them a sense of control of the situation, making them easy targets for scams. Many false claims about measures against COVID-19 have circulated widely on social media, but some have been circulated by text, on YouTube, and even in some mainstream media. Officials ...
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).