Severe Acute Respiratory Syndrome (SARS) - World Health …
Sep 26, 2003 · SARS is an airborne virus and can spread through small droplets of saliva in a similar way to the cold and influenza. It was the first severe and readily transmissible new disease to emerge in the 21 st century and showed a clear capacity to spread along the routes of international air travel.
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.
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.
Origins of the SARS-CoV-2 virus - World Health Organization (WHO)
Mar 30, 2021 · Science in 5 with Dr Peter Ben Embarek on the origins of the SARS-CoV-2 virus . Clips of Dr Peter Ben Embarek reflecting on the mission before the international team's arrival in Wuhan, China. Press briefing by the international team studying the origins of the COVID-19 virus - 30 March 2021
Coronavirus disease (COVID-19) - World Health Organization (WHO)
Information on COVID-19, the infectious disease caused by the most recently discovered coronavirus.
Severe Acute Respiratory Syndrome (SARS) - World Health …
Severe acute respiratory syndrome (SARS) is a viral respiratory disease caused by a SARS-associated coronavirus.
SARS-CoV-2 Evolution - World Health Organization (WHO)
Dec 30, 2020 · SARS-CoV-2 can change while infecting minks. It has been observed that these mink variants are able to transmit back into humans through close contact with the mink. Preliminary results suggest that the mink variants infecting humans appear to have the same properties as other variants of the SARS-CoV-2 virus.
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 ...
Coronavirus disease (COVID-19) - World Health Organization (WHO)
Mar 28, 2023 · COVID-19 is the disease caused by a coronavirus called SARS-CoV-2. WHO first learned of this new virus on 31 December 2019, following a report of a cluster of cases of so-called viral pneumonia in Wuhan, People’s Republic of China.
SARS-CoV-2 Variants - World Health Organization (WHO)
SARS-CoV-2, the virus that causes COVID-19, has had a major impact on human health globally; infecting a large number of people; causing severe disease and associated long-term health sequelae; resulting in death and excess mortality, especially among older and vulnerable populations; interrupting routine healthcare services; disruptions to travel, trade, education and …