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IBV was then officially designated the type species as Avian infectious bronchitis virus (but renamed to Avian coronavirus in 2009). [58] The so-called "hepatoencephalitis group of murine viruses" [20] were grouped into a single species named Mouse hepatitis virus, as approved in 1971. The species was merged with Rat coronavirus (discovered in ...
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 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]
A COVID-19 vaccine is intended to provide acquired immunity against severe acute respiratory syndrome coronavirus 2 (SARS‑CoV‑2), the virus that causes coronavirus disease 2019 . Prior to the COVID-19 pandemic, an established body of knowledge existed about the structure and function of coronaviruses causing diseases like severe acute ...
Infectious bronchitis virus (IBV), a type of coronavirus, causes avian infectious bronchitis. [131] The virus is of concern to the poultry industry because of the high mortality from infection, its rapid spread, and its effect on production. [127] The virus affects both meat production and egg production and causes substantial economic loss. [132]
The first coronavirus disease was discovered in the late 1920s. Coronaviridae were generally of limited interest to the wider scientific community, until the appearance of SARS. Human coronaviruses were discovered in the 1960s, through a variety of experiments in the United States and the United Kingdom. [ 12 ]
Feb. 11: WHO announced the official name for the disease as “COVID-19,” an abbreviated version of “Coronavirus Disease 2019.” Feb. 13: CDC confirmed the 15th case of COVID-19 in the U.S.
1857–1859 Europe and the Americas influenza epidemic 1857–1859 Europe, North America, South America Influenza: Unknown [158] 1862 Pacific Northwest smallpox epidemic: 1862–1863 Pacific Northwest, Canada and United States Smallpox: 20,000+ [159] [160] [161] 1861–1865 United States typhoid fever epidemic 1861–1865 United States Typhoid ...
The FBI concluded with "moderate confidence" that COVID-19 may have been created in a laboratory, based in part on genomic analysis conducted by scientists at the National Center for Medical Intelligence. [98] On 20 March 2023, the COVID-19 Origin Act of 2023 was signed into law. On June 23, 2023, the Biden administration released its report ...