Covid vaccine, Iss: 97% efficacy against severe disease with booster

The effectiveness of Covid vaccines against severe disease is 97% with the booster dose. This was reported by the ISS in the extended report on the progress of Covid in Italy. “The effectiveness in preventing the diagnosis and cases of severe disease – we read – rises respectively to 86.6% and 97.0% in subjects vaccinated with an additional dose / booster”. “The vaccine efficacy in preventing cases of severe disease remains high, as the vaccine efficacy in vaccinated with a complete course of less than 90 days and between 91 and 120 days is respectively 95.7% and 92.6 %, while it drops to 88% in vaccinated people who have completed the vaccination cycle for more than 120 days “is written in the Report. OVER 80 – In the last month, the hospitalization rate in the over-80 range for the unvaccinated (568 per 100,000) is eight times higher than for those fully vaccinated for less than 120 days and 41 times higher than for vaccinated with boosters The death rate in the ‘over 80’ group, in the period from 5 November to 5 December last, in the unvaccinated is about ten times higher than in the vaccinated with a full cycle within 120 days and 64 times higher high compared to vaccinated with add-on / booster dose.