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1 Tourists wearing masks are seen in Venice, Italy, Feb. 23, 2020. (Xinhua/Cheng Tingting) A retest by Italian and Dutch researchers of pre-pandemic blood samples was found to have coronavirus-linked antibody IgM, Reuters reported recently. The retest, carried out by researchers from the VisMederi laboratory at the University of Siena and their Dutch counterparts from the Erasmus University of Rotterdam, founded that the oldest sample with IgM dated back to Sept. 3, 2019, from Italy s northeastern region of Veneto, the media said in a report published Saturday, citing a paper published on July 14 that detailed the results from the retest. The samples retested, which were originally collected from healthy volunteers in Italy who participated in a lung cancer screening trial before the pandemic started, were studied by VisMederi and the National Cancer Institute in Milan (INT) last year as they looked for coronavirus-linke

Zuid hollandUnited statesXinhua cheng tingtingGiovanni apoloneUniversity of sienaNational cancer instituteErasmus university of rotterdamCheng tingtingBattle against novelErasmus universityNorth americaஒன்றுபட்டது மாநிலங்களில்பல்கலைக்கழகம் ஆஃப் ஸியீநதேசிய புற்றுநோய் நிறுவனம்ஈராஸ்மஸ் பல்கலைக்கழகம் ஆஃப் ரோட்டர்டாம்போர் எதிராக நாவல்