COVID-19 Pandemic

Abstract

In December 2019, a cluster of cases of pneumonia of unknown cause was detected in Wuhan, Hubei Province, China. A novel coronavirus (SARS coronavirus-2 (SARS-CoV-2)) was subsequently identified. The associated disease is now referred to as COVID-19. The source of the outbreak has yet to be determined. A zoonotic source to the outbreak has not been identified yet, but investigations are ongoing.