The president of the Italian Medicines Agency, Giorgio Palù, in a hearing in the Senate Health Commission on the methods of administering mRna vaccines against Coronavirus For the recall of Pfizer and Moderna, mRna vaccines, the second dose could be delayed even for 90 days. For vaccines “the cell-mediated response is very important, for which we do not yet have a measurement in the practical routine. And this is so true that last week in ‘Nature’ a paper was released that shows that we could delay as much as 90 days the second dose with an mRna anti-Covid vaccine because the response in the recall, the so-called boost, is even stronger. This is a fact that further reassures us “explained Giorgio Palù, president of the Italian Agency of Aifa drug, during the hearing in the Senate Hygiene and Health Commission on the methods of administering vaccines against the Coronavirus at mRna. Read also Speaking about the vaccination campaign, Palù stressed, “in Italy it is going very well. We have reached almost 30 million doses administered, with an average of around or more than 400 thousand doses per day”.