Speaking of early virus spread, see this recent report.
Unexpected detection of SARS-CoV-2 antibodies in the prepandemic period in Italy
https://journals.sagepub.com/doi/full/10.1177/0300891620974755?utm_source=substack&utm_medium=email
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Speaking of early virus spread, see this recent report.
Unexpected detection of SARS-CoV-2 antibodies in the prepandemic period in Italy
https://journals.sagepub.com/doi/full/10.1177/0300891620974755?utm_source=substack&utm_medium=email