This research, carried out in France and Israel, highlights the effectiveness of vaccination in reducing the risk of contamination.
A new study confirms the vaccine’s effectiveness in containing the Covid-19 epidemic. An observational study, carried out jointly by the Israeli Sheba Medical Center, Tel Aviv University, the Pasteur Institute and the Sorbonne University, proves that the vaccine does reduce the risk of transmission of the virus.
This study was carried out with 212 Israeli caregivers and their families. These results prove that within the same household, the risk of contamination between vaccinated people turns out to be very low. Upon confirmation of the presence of the disease, caregivers also had to indicate the vaccination status of the various members of the household. Using these data, the researchers then determined that in a household of four people, the probability of transmission of the virus was 59% between two unvaccinated people.
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4% for the vaccinated
“Within households, vaccination reduces both the risk of infection and of transmission in the event of infection. When contacts were not vaccinated, isolation also led to significant reductions in the risk of transmission. Vaccinated contacts could reduce their risk of infection if they self-isolate, although this requires confirmation with additional data“, summarize the authors of this study.
Conversely, this figure fell to 4% for people vaccinated. Concerning contamination between an adult and a child, the risk of transmission was 36% when the carrier of the virus was not vaccinated and 10% when he was. “This is further proof of the importance of increasing the vaccination rate, the only effective and unique way to reduce the size of the epidemic and resume a normal life.The Sheba Center adds. For the moment, this study has been pre-published but has yet to undergo scientific peer validation.
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