Anti Covid vaccine and second dose, the extraordinary commissioner for the coronavirus emergency Francesco Paolo Figliuolo has “just signed a letter for all the Regions and Autonomous Provinces to say to find solutions of maximum flexibility for bookings and I am thinking in particular of the most young people, those who will now begin to travel around Italy “. This was stated by the extraordinary commissioner speaking to Elisir on Rai 3. Read also ” Giving maximum flexibility means being able to choose the best date already during the booking phase with a toll-free number or online and being able to move the recall within the range of 42 days or 4-12 weeks – he added – Obviously in the technical times of readjustment of the computer systems. ” Speaking of the references, Figliuolo said that “from a scientific point of view there are studies, even advanced ones, which have yet to find further confirmation, for to be able to do the second dose so-called ‘heterologous’: that is to do a first dose of AstraZeneca and for some special cases or because perhaps at that moment AstraZeneca is not available to booster with mRna vaccines such as Moderna, Pfizer or Curevac. from an immunological point of view it seems to give an excellent answer but certainly I do not allow myself to enter the field of scientists ”.