The earliest Covid 19 cases in Hubei province might have emerged as early as October 2019 – weeks before the first known cases – according to new research.A study published in the journal Science last week said these cases would have been difficult to detect and the disease would have established a firm foothold among the human population before it was identified.“It is highly probable that Sars-CoV-2 was circulating in Hubei province at low levels in early-November 2019 and possibly as early…
READ SOURCE