“Travel but travel in Italy, because there is an organization and a good understanding of protocols that are used and in addition we give a hand to our workers in the sector who have suffered and sacrificed themselves for a public health interest”. So at Adnkronos Salute virologist Fabrizio Pregliasco, professor at the State University of Milan after the WHO Europe appeal to carefully evaluate the need to travel this summer. “Moreover – he adds – I say that in Italy the guarantee of assistance and the therapeutic choice is exemplary and difficult to find in the rest of the world. Therefore, reasonableness in travel is welcome and prefer Italian destinations”. Third dose “The planning of a third dose of “anti-Covid vaccine” because in my opinion it will be necessary, but at this stage “the health authorities” are right to say ‘let’s vaccinate others’. Wide-ranging coverage is the fundamental element, then we will think about recalls “says Pregliasco, professor at the State University of Milan, after Pfizer / BioNTech’s announcement that it wants to ask the drug regulatory agencies for the green light for the third dose of its vaccine.” The Delta variant and other variants show us that the virus still has a lot to give – notes Pregliasco – But we still do not have an understanding of the duration of protection from the vaccine, which we are slowly understanding, but in my opinion it will probably be necessary a year later za. There are those who get agitated, even colleagues, because they see the quantity of antibodies collapsing. But the quantitative data is not the only one that demonstrates the answer, there is also the cell-mediated response “.” In short – the virologist reiterates – we do not have this knowledge. And we have experiences on other vaccines such as hepatitis B, where even after years an infection creates an immediate booster because there is a notable anamnestic memory, so much so that hepatitis B is done as a newborn and no recalls are expected. . We have carried out studies in which I too participated – underlines the expert – which show that even the zeroing of the antibody title is not an element that certainly determines the lack of protection. It is clear that, for example, health workers measure antibodies and when they drop below 10 units they give a booster dose, but more from a workplace safety perspective “.
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