Search results
Results from the WOW.Com Content Network
A COVID-19 vaccine is intended to provide acquired immunity against severe acute respiratory syndrome coronavirus 2 (SARS‑CoV‑2), the virus that causes coronavirus disease 2019 . Prior to the COVID-19 pandemic, an established body of knowledge existed about the structure and function of coronaviruses causing diseases like severe acute ...
Coronavirus disease 2019 (COVID-19) is a contagious disease caused by the coronavirus SARS-CoV-2. In January 2020, the disease spread worldwide, resulting in the COVID-19 pandemic . The symptoms of COVID‑19 can vary but often include fever, [ 7 ] fatigue, cough, breathing difficulties , loss of smell , and loss of taste .
SARS-CoV-2 is the seventh known coronavirus to infect people, after 229E, NL63, OC43, HKU1, MERS-CoV, and the original SARS-CoV. [105] Like the SARS-related coronavirus implicated in the 2003 SARS outbreak, SARS‑CoV‑2 is a member of the subgenus Sarbecovirus (beta-CoV lineage B). [106] [107] Coronaviruses undergo frequent recombination. [108]
The Taiwan Centers for Disease Control (CDC) implemented inspection measures for inbound flights from Wuhan. [39] Deputy director Luo Yi-jun raised the alarm with his colleagues after reading about the outbreak on the PTT Bulletin Board System. [40] [41] Taiwan would end up having fewer than 500 total COVID-19 cases until September 2020.
In December 2019, a pneumonia outbreak was reported in Wuhan, China. [119] On 31 December 2019, the outbreak was traced to a novel strain of coronavirus, [120] which was given the interim name 2019-nCoV by the World Health Organization, [121] [122] [123] later renamed SARS-CoV-2 by the International Committee on Taxonomy of Viruses.
The first human cases of COVID-19 occurred in Wuhan, People's Republic of China, on or about 17 November 2019. [2] The first confirmed human case in the United States was on 19 January 2020. The World Health Organization declared the COVID-19 outbreak a Public Health Emergency of International Concern (PHEIC) on 30 January 2020, and first ...
Total confirmed cases of COVID-19 per million people [62] SARS-CoV-2, a new strain of coronavirus, was first detected in the city of Wuhan, Hubei Province, China, in December 2019. [63] The outbreak was characterized as a Public Health Emergency of International Concern (PHEIC) between January 2020 and May 2023 by WHO.
The COVID-19 pandemic ranks as the deadliest disaster in the country's history. [43] It was the third-leading cause of death in the U.S. in 2020, behind heart disease and cancer. [44] From 2019 to 2020, U.S. life expectancy dropped by three years for Hispanic and Latino Americans, 2.9 years for African Americans, and 1.2 years for White ...