The COVID-19 pandemic, also known as the coronavirus pandemic, is a global pandemic of coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The novel virus was first identified from an outbreak in Wuhan, China, in December 2019.

コロナウイルスは種特異性が高く、一般に他の種へと感染しないが、人間の新興コロナウイルス感染症はいずれも動物から人間に伝播したものと考えられており、人獣共通感染症としての性質も持つ（注：2020年時点ではcovid-19は人獣共通感染症と推認・分類 ...

Coronavirus disease 2019 (COVID-19) is an infectious disease caused by SARS coronavirus 2 (SARS-CoV-2), a virus closely related to the SARS virus.. The disease is the cause of the COVID-19 pandemic. People who get the disease might get fever, dry cough, fatigue (tiredness), loss of taste or smell, and shortness of breath. A sore throat, runny nose, or sneezing is less common.

Etymology. The name "coronavirus" is derived from Latin corona, meaning "crown" or "wreath", itself a borrowing from Greek κορώνη korṓnē, "garland, wreath". The name was coined by June Almeida and David Tyrrell who first observed and studied human coronaviruses. The word was first used in print in 1968 by an informal group of virologists in the journal Nature to designate …

Feb 12, 2020 · 世界保健機関（WHO）は11日、中国を中心に流行している新型コロナウイルスによる病気の正式名称を「COVID-19」に決定したと発表した。. これまで ...

Background. On 12 January 2020, the World Health Organization (WHO) confirmed that a novel coronavirus was the cause of a respiratory illness in a cluster of people in Wuhan City, Hubei Province, China, which was reported to the WHO on 31 December 2019.. The case fatality ratio for COVID-19 has been much lower than SARS of 2003, but the transmission has been significantly …

COVID-19 rapid antigen tests or RATs, also frequently called COVID-19 lateral flow tests or LFTs, are rapid antigen tests used to detect SARS-COV-2 infection ().They are quick to implement with minimal training, and offer significant cost advantages, costing a fraction of other forms of COVID-19 testing and give users a result within 5–30 minutes. . Rapid antigen tests are used in …