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COVID-19 pandemic. SARS-CoV-2, the causative agent of COVID-19, was first introduced to humans through zoonosis (transmission of a pathogen to a human from an animal), and a zoonotic spillover event is the origin of COVID-19 that is considered most plausible by the scientific community. [a] Human coronaviruses including SARS-CoV-2 are zoonotic ...
The 'UN Comprehensive Response to COVID-19' [1][2] is a policy document issued by the United Nations Secretary-General on 25 June 2020, which aims to coordinate the United Nations System to "save lives, protect societies, recover better". The policy document sets out what must be done to deliver a global response "that leaves no-one behind ...
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 ...
Betacoronavirus cameli [1] ( also known as Middle East respiratory syndrome–related coronavirus abbreviated as MERS-CoV), [2] or EMC/2012 (HCoV-EMC/2012), is the virus that causes Middle East respiratory syndrome (MERS). [3][4] It is a species of coronavirus which infects humans, bats, and camels. [5] The infecting virus is an enveloped ...
The default answer for most scientists has been that the virus, SARS-CoV-2, probably made the jump to humans from bats, if it was a direct spillover — or, more likely, through one or more intermediate mammals. MCKEEVER A (6 April 2021). "We still don't know the origins of the coronavirus. Here are 4 scenarios".
On “surfaces such as glass, or tabletops, or steel, the virus can last outside of the human body anywhere from one day to about four or five days, depending on how porous it is,” Dahdal says ...
t. e. Severe acute respiratory syndrome coronavirus 2 (SARS‑CoV‑2) [2] is a strain of coronavirus that causes COVID-19, the respiratory illness responsible for the COVID-19 pandemic. [3] The virus previously had the provisional name 2019 novel coronavirus (2019-nCoV), [4][5][6][7] and has also been called human coronavirus 2019 (HCoV-19 or ...
The World Health Organization (WHO) is a leading organisation involved in the global coordination for mitigating the COVID-19 pandemic within the broader United Nations response to the pandemic. On 5 January 2020, the WHO notified the world about a "pneumonia of unknown cause" in China and subsequently began investigating the disease.