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COVID-19: background information
HTMLOn 31 December 2019, the World Health Organization (WHO) was informed of a cluster of cases of pneumonia of unknown cause detected in Wuhan City, Hubei Province, China. A novel coronavirus (SARS-CoV-2) was subsequently identified from patient samples.This page contains information for professionals and the public on the epidemiology, virology and clinical features of COVID-19, the infection caused by SARS-CoV-2.There may be further information specific to each country in the UK, as this guidance was written by the UK Health Security Agency (UKHSA) primarily for an English health professional audience.