The United Kingdom has one confirmed coronavirus case in Guernsey .
As of 9 am , 9 March after performing 24,960 tests , there are 319 confirmed cases in mainland UK , one case in the British overseas territory of Gibraltar. On 12 January 2020 , the World Health Organization ( WHO ) confirmed that a new coronavirus was the cause of a respiratory illness in a cluster of people in Wuhan City , Hubei Province , China , who had initially come to the attention of the WHO on 31 December 2019 .