COVID-19 CIRCULATED IN CHINA FOR MONTHS BEFORE BEING DISCOVERED: STUDY
Fri 19 March 2021: The novel coronavirus was likely circulating undetected for at most two months before the first human cases of COVID-19 were described in Wuhan, China in late-December 2019, according to a study. The research, published in the journal Science, used molecular dating tools and epidemiological simulations to date the emergence of the […]
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