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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]
Similarly, use of "COVID" for the disease (if first rendered as COVID-19) has been tolerated. Use of "the Coronavirus" to refer to the COVID-19 pandemic which began in December 2019 has also been accepted. Although such use does not specify the year or which coronavirus-related disease is being referred to, given its all-encompassing impact at ...
In the opinion of the eight virologists these viruses are members of a previously unrecognized group which they suggest should be called the coronaviruses, to recall the characteristic appearance by which these viruses are identified in the electron microscope. [56] Coronavirus was accepted as a genus name by ICNV in its first report in 1971. [57]
Transmission and life-cycle of SARS-CoV-2 causing COVID-19. Coronaviruses vary significantly in risk factor. Some can kill more than 30% of those infected, such as MERS-CoV, and some are relatively harmless, such as the common cold. [49] Coronaviruses can cause colds with major symptoms, such as fever, and a sore throat from swollen adenoids. [91]
The COVID-19 vaccines are widely credited for their role in reducing the severity and death caused by COVID-19. [ 128 ] [ 129 ] As of March 2023, more than 5.5 billion people had received one or more doses [ 130 ] (11.8 billion in total) in over 197 countries.
Unfortunately, severe cases of COVID-19 still happen, Dr. Russo says. With a severe case of COVID-19, a person may experience weakness, lethargy, and fever for a prolonged period of time.
It is thought that about one in 20 people in the UK are currently infected with Covid, and there have now been more than 200,000 deaths with coronavirus recorded on the related death certificate.
In late December 2019, SARS-CoV-2, a coronavirus in the same genus as the one that caused SARS, was discovered in Wuhan, Hubei, China. This strain causes COVID-19 , which spread to other areas of Asia, and then worldwide in early 2020, marking the start of the COVID-19 pandemic .