The increase, also in Italy, in the number of Coronavirus cases depends above all on the duration of protection provided by the vaccine, which is why the so-called third dose becomes necessary. Andrea Crisanti, director of the Molecular Medicine department of the University of Padua, is convinced of this and speaking today on the sidelines of the ‘Il tempo della salute’ event, organized by Corriere della Sera at the Leonardo da Vinci Museum of Science and Technology in Milan, explained that “the dynamics of Covid transmission depends on two factors: the number of protected people and the duration of protection”.
“The number of protected people does not coincide with the number of people vaccinated because we have learned that after six months the protection decreases significantly on the aspect of transmission – added the professor -. A vaccinated person is protected from infection and does not transmit. for 95%, after six months this protection drops to 40% “.
“For this reason it is necessary to do the third dose. If we want to protect the frail, the oncologists and the elderly, it is necessary to do it selectively to these people, but if we want to keep transmission low, we must all do the third dose” he said again. Chrysants.
Finally, to those who asked him, how he imagined next Christmas, in light of the increase in cases, Crisanti replied with an invitation: “Christmas and New Year, celebrate it as well, but possibly among vaccinated people and with the necessary precautions”.
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Source From: Ansa
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