Home » Green Pass: for Pregliasco and Ricciardi the tampons are not completely reliable – Health

Green Pass: for Pregliasco and Ricciardi the tampons are not completely reliable – Health

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On the possibility of extending the validity of the swabs up to 72 hours, Fabrizio Pregliasco, virologist at the University of Milan and director of IRCCS Galeazzi, explains that the tests cannot be considered completely reliable: “There are two different types of tests – he says – and we know by now that rapid tests have some sensitivity defects in detecting positives, while molecular ones perform better and are more reliable. But, even with these, there is a certain risk of false negatives compared to those who are an incubation phase of the disease “. Pregliasco spoke about it by speaking at Agorà, on Rai Tre.

Ricciardi, perplexed about the increase in buffer validity to 72 hours

“I am very perplexed about this lengthening” of the molecular swab validity to 72 hours, “because in fact the swab is a punctual measure. Leaving too much space between the swab result and the validity of the swab exposes you to risks, so I would be rather cautious. But this is an answer that the CTS will give “. Thus Walter Ricciardi, advisor to the Minister of Health Roberto Speranza, to Rainwes 24 on the extension of the validity of the molecular tampons provided for in the green pass decree.

“In my opinion – Conctinua Ricciarsi – over time, the attribution of the green pass with the tampon should cease. This is because in fact what happens with the green pass given only to vaccinated or cured people is the absolute certainty that within an environment there is no possibility of infection “.

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“This is very important with the Delta variant, which – he explains – is completely different and with a viral load a thousand times higher than the original Wuhan virus, so if there is an infected person in an environment, the certainty of the infection is practically established and the risk is over 60% “.

(ANSA).

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