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Prof. Roberto Verna, president of the World Association of Societies of Pathology and Laboratory Medicine, spoke at TMW Radio, during Maracaná, to talk about the Lazio case.
UEFA buffers prevented some players from leaving for St. Petersburg. What happened? Is there a difference between the UEFA tests and the Italian ones?
“Uefa and FIGC should reach an agreement. But if non-technical bodies agree, the results may be wrong. Therefore, it would be appropriate to make a speech with experts. The molecular test is the search for viral nucleic acid , which is then amplified in the laboratory to make it quantitatively visible. It can be positive with a different viral load, and even infect differently. The antigen test is a system for detecting antigens in the virus capsule. As is a test. less sensitive, which detects a viral load only if it is high enough, this is more important from the clinical level, because it can reveal its infectivity.When doing these amplifications, a little oversight is enough to amplify another aspect, so a subject can be positive because something that is not a virus has replicated. In the case of Covid-19 there are three genes that give rise to three different proteins in the capsule. This case, one would seem not to correspond to infectivity, which is positive for UEFA. Lazio was not wrong, but it all depends on who decides, who should establish positivity or not. Uefa refers to a specific interpretation, while in Italy it is said that it is not positive for another parameter. Soccer organizations want to make a protocol on something that in fact does not have a clear value. Those with group 0 blood have been said to be less susceptible to the virus, those in group A are more susceptible, but there is no general evidence. ”
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