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3 天前 · List of Ebola outbreaks – Cases and outbreaks of Ebola virus disease List of infectious diseases List of natural disasters by death toll#Deadliest epidemics Timeline of plague – Human and animal disease Explanatory notes
1 天前 · SARS-related coronavirus is a member of the genus Betacoronavirus (group 2) and monotypic of the subgenus Sarbecovirus (subgroup B). [13] Sarbecoviruses, unlike embecoviruses or alphacoronaviruses, have only one papain-like proteinase (PLpro) instead of two in the open reading frame ORF1ab. [14] SARSr-CoV was determined to be an early split-off ...
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2 天前 · As of January 2023, taking into account likely COVID induced deaths via excess deaths, the 95% confidence interval suggests the pandemic to have caused between 16 and 28.2 million deaths. [5] [6] For the latest daily updates of cases, deaths, and death rates see COVID-19 pandemic death rates by country.
2024年5月24日 · The history of coronaviruses is an account of the discovery of the diseases caused by coronaviruses and the diseases they cause. It starts with the first report of a new type of upper-respiratory tract disease among chickens in North Dakota, U.S., in 1931. The causative agent was identified as a virus in 1933.
2024年5月20日 · The spike protein is very large, often 1200 to 1400 amino acid residues long; [8] it is 1273 residues in SARS-CoV-2. [5] It is a single-pass transmembrane protein with a short C-terminal tail on the interior of the virus, a transmembrane helix, and a large N-terminal ectodomain exposed on the virus exterior. [5] [7]
2024年5月24日 · Many viral agents have been studied and/or weaponized, including some of the Bunyaviridae (especially Rift Valley fever virus), Ebolavirus, many of the Flaviviridae (especially Japanese encephalitis virus), Machupo virus, Coronaviruses, Marburg virus, Variola virus.
5 天前 · David Baltimore (born March 7, 1938) is an American biologist, university administrator, and 1975 Nobel laureate in Physiology or Medicine. He is a professor of biology at the California Institute of Technology (Caltech), where he served as president from 1997 to 2006.[2] He founded the Whitehead Institute and directed it from 1982 to 1990. In ...
