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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]
Deaths. 783 known. Severe acute respiratory syndrome ( SARS) is a viral respiratory disease of zoonotic origin caused by the virus SARS-CoV-1, the first identified strain of the SARS-related coronavirus. [3] The first known cases occurred in November 2002, and the syndrome caused the 2002–2004 SARS outbreak.
The timeline of the COVID-19 pandemic lists the articles containing the chronology and epidemiology of SARS-CoV-2, [1] the virus that causes the coronavirus disease 2019 ( COVID-19) and is responsible for the COVID-19 pandemic . The first human cases of COVID-19 occurred in Wuhan, People's Republic of China, on or about 17 November 2019. [2]
The Beta variant, (B.1.351), was a variant of SARS-CoV-2, the virus that causes COVID-19. One of several SARS-CoV-2 variants initially believed to be of particular importance , it was first detected in the Nelson Mandela Bay [7] metropolitan area of the Eastern Cape province of South Africa in October 2020, [8] which was reported by the country ...
Antibody-dependent enhancement ( ADE ), sometimes less precisely called immune enhancement or disease enhancement, is a phenomenon in which binding of a virus to suboptimal antibodies enhances its entry into host cells, followed by its replication. [1] [2] The suboptimal antibodies can result from natural infection or from vaccination.
Ebola & Marburg virus diseases. Viruses in this family cause ... it caused about 2,500 cases and 800 deaths. SARS has not been ... of Allergy and Infectious Diseases Vaccine Research ...
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 virus, which causes Middle East respiratory syndrome (MERS), is a novel coronavirus that was first identified in a patient from Jeddah, Saudi Arabia on 6 June 2012. Sporadic cases, small clusters, and large outbreaks have been reported in 24 countries, with over 2,600 cases of the virus and over 900 deaths, as of 2021.