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Há 1 dia · This article contains the number of confirmed COVID-19 deaths per population as of 19 June 2024, by country. It also has cumulative death totals by country. For these numbers over time see the tables, graphs, and maps at COVID-19 pandemic deaths and COVID-19 pandemic by country and territory.
- History of Coronavirus
The history of coronaviruses is an account of the discovery...
- Coronavirus
The earliest reports of a coronavirus infection in animals...
- History of Coronavirus
13 de jun. de 2024 · 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.
Há 5 dias · The earliest reports of a coronavirus infection in animals occurred in the late 1920s, when an acute respiratory infection of domesticated chickens emerged in North America. [15] Arthur Schalk and M.C. Hawn in 1931 made the first detailed report which described a new respiratory infection of chickens in North Dakota.
5 de jun. de 2024 · COVID-19 variants: It is usual for viruses to change and evolve as they spread between people over time. When these changes become significantly different to a previously detected virus, these new virus types are known as “variants.”
2 de jun. de 2024 · This global summary of COVID-19 circulation includes percent positivity, SARS-CoV-2 variants, reported cases and deaths and national wastewater system surveillance.
Há 1 dia · COVID-19 is caused by the coronavirus known as SARS-CoV-2. There is no cure for COVID-19, but individuals can be protected against severe illness through vaccination. Learn about the symptoms, treatment, and prevention of COVID-19.
Há 3 dias · coronavirus, any virus belonging to the family Coronaviridae. Coronaviruses have enveloped virions (virus particles) that measure approximately 120 nm (1 nm = 10 −9 metre) in diameter. Club-shaped glycoprotein spikes in the envelope give the viruses a crownlike, or coronal, appearance.
