On 31 December 2019, the World Health Organization (WHO) was informed of a cluster of cases of respiratory illnesses, including pneumonia, of unknown cause in Wuhan City, Hubei Province, China. On 11 March 2020, the WHO announced a COVID-19 global pandemic due to the rapid spread and severity of cases worldwide. SARS-CoV-2 is felt to be zoonotic in origin, but the source of the original outbreak has not been identified.1
This is a companion discussion topic for the original article at https://patient.info/doctor/infectious-disease/covid