The 2019 novel coronavirus (2019-nCoV) is a new virus that causes respiratory illness in people and can spread from person to person. This virus was first identified during an investigation into an outbreak in Wuhan, China. Patients with 2019-nCoV have reportedly had mild to severe respiratory illness with symptoms of fever, cough, shortness of breath. On February 11, 2020, the World Health Organization named the disease caused by 2019-nCoV “Coronavirus Disease 2019” (abbreviated “COVID-19”).
俗稱武漢肺炎的正式名稱為2019年冠狀病毒疾病（Coronavirus Disease 2019，COVID-19），又稱2019年新型冠狀病毒肺炎，於2019年在中國湖北省武漢市首次爆發傳染，症狀包括發熱、肺炎等，嚴重會致死。此傳染性疾病的病原體被科學家判定為2019新型冠狀病毒（2019-nCov），屬於ㄧ種RNA病毒。