Severe Acute Respiratory Syndrome (SARS) - World Health …
Nov 12, 2021 · Severe acute respiratory syndrome (SARS) is a viral respiratory disease caused by a SARS-associated coronavirus. It was first identified at the end of February 2003 during an outbreak that emerged in China and spread to 4 other countries.
Coronavirus disease (COVID-19) - World Health Organization (WHO)
Jan 3, 2025 · 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.
Tracking SARS-CoV-2 variants - World Health Organization (WHO)
Mar 27, 2024 · In June 2020, the WHO Virus Evolution Working Group was established with a specific focus on SARS-CoV-2 variants, their phenotype and their impact on countermeasures. This later became the Technical Advisory Group on SARS-CoV-2 Virus Evolution. In late 2020, the emergence of variants that posed an increased risk to global public health prompted ...
Summary of probable SARS cases with onset of illness from 1 …
Nov 1, 2002 · Summary of probable SARS cases with onset of illness from 1 November 2002 to 31 July 2003 - Select language - العربية 中文 français русский español português (Based on data as of the 31 December 2003.)
Apr 23, 2020 · Another coronavirus, SARS-CoV-1, the cause of the Severe Acute Respiratory Syndrome (SARS) outbreak in 2003, was also closely related to other coronaviruses isolated from bats. These close genetic relations of SARS-CoV-1, SARS-CoV-2 and other coronaviruses, suggest that they all have their ecological origin in bat populations. Many of these
Coronavirus disease (COVID-19) - World Health Organization (WHO)
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.
Aug 9, 2023 · SARS-CoV-2 genome sequence prevalence and growth rate update: 2 August 2023 [Internet]. 2023 [cited 2023 ...
Dec 19, 2023 · sharing of SARS-CoV-2 sequences, i.e. WPR, EUR and AMR, with the largest increase seen in WPR from 1.1% in epidemiological week 44 to 65.6% in epidemiological week 48. Wastewater data from multiple countries approaching the winter season points at a large wave of SARS-CoV-2 infections in the community (8), however that has not
Feb 25, 2021 · Special edition: Proposed working definitions of SARS-CoV-2 Variants of Interest and Variants of Concern This special edition is supplementary to the 23 February Weekly Epidemiological Update, which included a global and regional overview of COVID-19 case and death trends, and special focus updates on SARS-CoV-2
Statement on the antigen composition of COVID-19 vaccines
May 18, 2023 · Estimates of VE against currently circulating SARS-CoV-2 variants, including XBB.1 descendent lineages, are very limited in terms of the number of studies, vaccine products evaluated, and populations assessed; some studies show similar VE against BA.5 descendent and XBB.1 descendent lineages, while others suggest reduced VE during periods of ...