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  2. en.wikipedia.org › wiki › COVID-19COVID-19 - Wikipedia

    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. [7] . The disease quickly spread worldwide, resulting in the COVID-19 pandemic .

  3. en.wikipedia.org › wiki › CoronavirusCoronavirus - Wikipedia

    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. Coronaviruses can cause colds with major symptoms, such as fever, and a sore throat from swollen adenoids.

  4. In the United States, the worldwide pandemic of coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has resulted in 103,436,829 confirmed cases with 1,185,510 all-time deaths, the most of any country, and the 20th highest per capita worldwide.

  5. The timeline of the COVID-19 pandemic lists the articles containing the chronology and epidemiology of SARS-CoV-2, the virus that causes the coronavirus disease 2019 and is responsible for the COVID-19 pandemic.

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