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Dec 26, 2022 · COVID-19 is a disease caused by SARS-CoV-2 that can trigger what doctors call a respiratory tract infection. In early 2020, the World Health Organization identified SARS-CoV-2 as a new type of ...
Nov 20, 2023 · Since 2020, SARS-CoV-2, the virus that causes COVID-19, has been spreading and changing globally. These changes have led to the detection of variants in many countries around the world. The more significant of these variants are grouped in three different ways – variants under monitoring, variants of interest and variants of concern.
Mar 15, 2023 · On the sixth annual One Health Day, a global campaign that highlights the interconnected relationship between people, animals, and their environment, CDC releases a statement on the COVID-19 pandemic, noting that more than 400 different animals have been found to be infected with COVID-19 and, as a zoonotic virus, SARS-CoV-2 can spread between ...
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).
Aug 12, 2021 · This is clearly a low global estimate due to missing data from key countries and the continued circulation of new SARS-CoV-2 variants in 2021 and in the coming years. Even so, the COVID-19 pandemic is already deadlier than the 1957 pandemic, but has nowhere near the death toll of the pandemic of 1918.
May 3, 2024 · Since the beginning of the COVID-19 pandemic and with the evolution of the SARS-CoV-2 virus, multiple COVID-19 Variants of Concern (VOCs) and Variants of Interest (VOIs) have been designated by WHO based on their assessed potential for expansion and replacement of prior variants, for causing new waves with increased circulation, and for the need for adjustments to public health actions.
Coronavirus disease 2019 (COVID-19) is a respiratory disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Illness ranges from no noticeable symptoms to severe cases with symptoms typically including fever, cough, and shortness of breath. Case counts include individuals who have either a positive SARS-CoV-2 polymerase chain reaction (PCR) result or antigen result ...
