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Coronavirus disease (COVID-19) is an infectious disease caused by the SARS-CoV-2 virus. Most people infected with the virus will experience mild to moderate respiratory illness and recover without requiring special treatment. However, some will become seriously ill and require medical attention. Older people and those with underlying medical ...
Aug 9, 2023 · COVID-19 is the disease caused by the SARS-CoV-2 coronavirus. It usually spreads between people in close contact. COVID-19 vaccines provide strong protection against severe illness and death. Although a person can still get COVID-19 after vaccination, they are more likely to have mild or no symptoms. Anyone can get sick with COVID-19 and become ...
Mar 27, 2024 · Tracking SARS-CoV-2 variants. All viruses, including SARS-CoV-2, the virus that causes COVID-19, change over time. Most changes have little to no impact on the virus’s properties. However, some changes may affect the virus’s properties, such as how easily it spreads, the associated disease severity, or the performance of vaccines ...
Nov 20, 2023 · A Variant of Concern (VOC) is a term that describes a SARS-CoV-2 variant that meets the definition of a VOI (see above), but also meets at least one of the following criteria when compared with other variants: it can cause a detrimental change in disease severity. it can have a substantial impact on the ability of health systems to provide care ...
Origins of the SARS-CoV-2 virus. SARS-CoV-2 variants. Global Clinical Platform for COVID-19: call for action.
Jul 9, 2020 · Transmission of SARS-CoV-2 can occur through direct, indirect, or close contact with infected people through infected secretions such as saliva and respiratory secretions or their respiratory droplets, which are expelled when an infected person coughs, sneezes, talks or sings. (2-10) Respiratory droplets are >5-10 μm in diameter whereas ...
Sep 26, 2003 · SARS-CoV-2 Antigen Rapid Diagnostic Testing Course - Teaser Trailer. 15 January 2020. Coronavirus ...
Feb 11, 2020 · ICTV announced “severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)” as the name of the new virus on 11 February 2020. This name was chosen because the virus is genetically related to the coronavirus responsible for the SARS outbreak of 2003. While related, the two viruses are different.
Dec 30, 2020 · SARS-CoV-2, the virus which causes COVID-19, tends to change more slowly than others such as HIV or influenza viruses. This could in part be explained by the virus’s internal “proofreading mechanism” which can correct “mistakes” when it makes copies of itself. Scientists continue to study this mechanism to better understand how it works.
Mar 30, 2021 · 28 February 2020. Report of the WHO-China Joint Mission on Coronavirus Disease 2019 (COVID-19) Origin of SARS-CoV-2 (26 March 2020) - Origin of SARS-CoV-2. WHO recommendations to reduce risk of transmission of emerging pathogens from animals to humans in live animal markets or animal product markets (26 March 2020) - WHO recommendations to ...
