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The COVID-19 pandemic, also known as the coronavirus pandemic, is a global pandemic of coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The novel virus was first identified in an outbreak in Wuhan , the capital of Hubei , China, in December 2019, before it spread to other areas of Asia ...
The COVID-19 pandemic is the deadliest disaster in the country's history. It was the third-leading cause of death in the U.S. in 2020, behind heart disease and cancer. From 2019 to 2020, U.S. life expectancy dropped by 3 years for Hispanic and Latino Americans, 2.9 years for African Americans, and 1.2 years for white Americans.
Human coronavirus HKU1, like the aforementioned viruses, also has its origins in rodents. Infection in humans 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.
By late November 2019, coronavirus disease 2019 had broken out in Wuhan, China. As reported in Clinical Infectious Diseases on November 30, 2020, 7,389 blood samples collected between December 13, 2019, and January 17, 2020, by the American Red Cross from normal donors in nine states (California, Connecticut, Iowa, Massachusetts, Michigan, Oregon, Rhode Island, Washington and Wisconsin ...
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. Most scientists believe the SARS-CoV-2 virus entered into human populations through natural zoonosis, similar to the SARS-CoV-1 and MERS-CoV outbreaks, and consistent with other pandemics in human history.
The first human cases of COVID-19 occurred in Wuhan, People's Republic of China, on or about 16 November 2019. The first human case in the United States was on 21 January 2020. The World Health Organization declared the COVID-19 outbreak a Public Health Emergency of International Concern on 30 January 2020, and a pandemic on 11 March 2020.
Severe acute respiratory syndrome coronavirus 2 (SARS‑CoV‑2) is a strain of coronavirus that causes COVID-19, the respiratory illness responsible for the COVID-19 pandemic. The virus previously had the provisional name 2019 novel coronavirus (2019-nCoV), and has also been called human coronavirus 2019 (HCoV-19 or hCoV-19).
The global COVID-19 pandemic arrived in Europe with its first confirmed case in Bordeaux, France, on 24 January 2020, and subsequently spread widely across the continent. By 17 March 2020, every country in Europe had confirmed a case, [62] and all have reported at least one death, with the exception of Vatican City .