What is the Novel Coronavirus?
Coronaviruses are a large family of viruses which may cause illness in animals or humans. In humans, several coronaviruses are known to cause respiratory infections. In late 2019, a new coronavirus, named SARS-CoV-2, was identified in Wuhan, China, causing an outbreak of respiratory illness that the World Health Organization (WHO) named Coronavirus Disease 2019 or COVID-19. This infection was declared a pandemic by the WHO on March 11, 2020.
WHO Introductory coronavirus