CHRISANTS: FOR THIRD DOSE WE WAIT FOR ISRAEL DATA – In the coming months, explains Andrea Crisanti, professor of Microbiology at the University of Padua, data will arrive from Israel to understand if the third dose will be sufficient. “Many frail and elderly people get sick, despite having been vaccinated with two doses, and sometimes even seriously ill, it would seem that somehow the vaccination is losing effect. It is not known whether because maybe the level of antibodies decreases or because the new variants are partially resistant to the vaccine ”