SARS originated in Guangdong province , southern China and by the time it had been brought … Severe Acute Respiratory Syndrome (SARS) is a disease that first appeared in humans in November 2002.

SARS-CoV-2, the virus responsible for the Covid-19 pandemic, is a novel pathogen first identified in China in late December 2019. Since the first SARS-CoV-2 genome was published on 24 January ...