(ANSA) - ROME, SEPTEMBER 19 - Cases of contagion and serious illness decrease "substantially" with the third Pfizer dose. This highlights a study published in the New England Journal of Medicine, based on data from the Israeli ministry of health. The infection rate, he notes, at least 12 days after the 'booster', is "11.3 times" lower than the two doses, while "the serious disease rate is 19.5" times lower.
The study was conducted from July 30 to August 31 on 1.13 million over 60s who had completed immunization 5 months before, divided into two groups: those who received the third dose and those who received two. (HANDLE).