They still remain “strong“Protection from contagion which is provided by the Covid vaccine in Italy, as also shown by the fact that “most of the cases notified in the last 30 days in Italy were diagnosed in people non vaccinate“. Specifically, there was a risk reduction in fully vaccinated versus unvaccinated people of 77% for diagnoses, 93% for hospitalizations and 96% for ICU admissions and deaths. These are the data updated toSeptember 8 on vaccination protection and efficacy published in extended report dell’Higher Institute of Health. Among the over 80, over the past 30 days the ICU admissions rate of full course vaccinates is well thirteen times lower of the unvaccinated (1.1 against 14,8 per 100,000 inhabitants), while the rate of death And fifteen times higher in unvaccinated versus full cycle vaccines (76.2 versus 5.0 per 100,000 inhabitants).
Over the past 30 days, the report reads, “it is noted as the 26% of diagnoses, the 37,4% of hospitalizations, the 46,7% of ICU admissions and the 49,9% of deaths in the over 80s have taken place among those who have not received any dose of vaccine “. The ISS points out that the so-called paradox effect: the absolute number of infections, hospitalizations and deaths may be similar between vaccinated and unvaccinated, due to the progressive decrease in the number of the latter. However, calculating from these data the hospitalization rate in the last 30 days, it is found that this for the unvaccinated is about nine times higher compared to full course vaccinates.
The vaccine efficacy estimates are instead calculated by the ISS in the period from 4 April to 29 August 2021 by age group. The effectiveness of the vaccine measures the proportional reduction of the risk of observing a certain event among vaccinated people, i.e. it is equivalent to the percentage reduction in the risk of observing a certain event among vaccinated people compared to unvaccinated people. The overall effectiveness of the incomplete vaccination (only one dose) in preventing infection is equal to 63,0%, while that of complete vaccination is equal to 77,3%.
The effectiveness in preventing hospitalization rises to84,1% after one dose and al 93,4% for those who have also made the recall. The effectiveness in preventing hospitalizations in intensive care is equal to 90,8% for vaccination with incomplete cycle and equal to 95,7% for the one with full cycle. Finally, the effectiveness in preventing the death is 83.8% after one dose and is equal to 96,3% when fully immunized.