A novel coronavirus (2019-nCoV) is a virus that has not been previously identified. Coronaviruses belong to the group of the Coronaviridae family, causing infection in avian and mammalian species including humans. These single-stranded RNA viruses cause acute upper respiratory disorder with common cold-like symptoms.
Public health officials and partners are working hard to identify the source of the "2019-nCoV". This outbreak started in December 2019, as an unknown cluster of respiratory illnesses first reported from Wuhan City, China.