Severe Acute Respiratory Syndrome (SARS) - World Health …
2003年9月26日 · 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)
2025年1月17日 · 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)
Information on COVID-19, the infectious disease caused by the most recently discovered coronavirus.
Coronavirus disease (COVID-19) - World Health Organization (WHO)
2023年8月9日 · 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.
Coronavirus disease (COVID-19) - World Health Organization (WHO)
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.
Coronavirus disease (COVID-19) pandemic - World Health …
The coronavirus disease 2019 (COVID-19) pandemic is a global outbreak of coronavirus – an infectious disease caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Cases of novel coronavirus (nCoV) were first detected in China in December 2019, with the virus spreading rapidly to other countries across the world.
Naming the coronavirus disease (COVID-19) and the virus that …
2020年2月11日 · 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. WHO announced “COVID-19” as the name of this new disease on 11 February 2020, following guidelines previously developed with the World Organisation for Animal Health (OIE ...
Coronavirus disease (COVID-19): How is it transmitted?
Further research is ongoing to better understand the spread of the virus and which settings are most risky and why. Research is also under way to study virus variants that are emerging and why some are more transmissible. For updated information on SARS-CoV-2 variants, please read the weekly epidemiologic updates.
Tracking SARS-CoV-2 variants - World Health Organization (WHO)
2024年3月27日 · More specifically, in 2024 WHO launched a WHO Coronavirus Network (CoViNet) to facilitate early and accurate detection of coronaviruses and variant tracking including coordinating risk evaluations. It remains critical that these systems are maintained, and data are shared, according to good principles and in a timely fashion, as SARS-CoV-2 ...
SARS-CoV-2 Evolution - World Health Organization (WHO)
2020年12月30日 · WHO’s global SARS-CoV-2 laboratory network includes a dedicated SARS-CoV-2 Virus Evolution Working Group, which aims to detect new mutations quickly and assess their possible impact. WHO recommends that all countries increase the sequencing of SARS-CoV-2 viruses where possible and share sequence data internationally to help one another ...