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Novel Coronavirus Circulated Undetected for Months Before First COVID-19 Cases Discovered in Wuhan, China – SciTechDaily
Study dates emergence to as early as October 2019; simulations suggest in most cases zoonotic viruses die out naturally before causing a pandemic. Using molecular…

The SARS-CoV-2 virus under a microscope. Credit: National Institute of Allergy and Infectious Diseases
Study dates emergence to as early as October 2019; simulations suggest in most cases zoonotic viruses die out naturally before causing a pandemic.
Using molecular dating tools and epidemiological simulations, researchers at University of California San Diego School of Medicine, with colleagues at the University of Arizona and Illumina, Inc., estimate that the SARS-CoV-2 virus was likely circulating…
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