An outbreak of a new strain of coronavirus was first reported in Wuhan, China. Cases have also been reported in Hong Kong, Macau, Taiwan, Singapore, the Philippines, Thailand, Vietnam, Europe, the United States, Canada and Australia. The World Health Organisation (WHO) has declared the spread of the infection a pandemic. Seeking to distinguish the virus from the disease it causes, the WHO named the virus SARS-CoV-2, and the disease Covid-19.