A new study of blood samples collected in Italy as early as October 2019 has given rise to suggestions the virus was circulating in Europe before the first case was confirmed by Beijing.... Scientists from Milan’s Istituto Nazionale Tumori, a cancer research centre, retested a number pre-pandemic blood samples that were found to have antibodies normally associated with COVID-19 infection.... The findings were published in a new paper on Monday. Giovani Apolone, one of the researchers, told the