The coronavirus from Wuhan is one which has never been seen before this outbreak. The disease that the virus causes has been named COVID-19, which stands for coronavirus disease 2019. How does the virus spread? Examinations have revealed the coronavirus did not change much – changing is known as mutating – much during the early stages of its spread. A pandemic is defined by the World Health Organization as the 'worldwide spread of a new disease'.
Source: Daily Mail March 19, 2020 18:40 UTC