While contamination rates with the Omicron variant of Covid-19 continue to be extremely high in France, the DREES, the Department of Research, Studies, Evaluation and Statistics, issued a new report on the health situation in France. It emerges that there is “an overrepresentation of non-vaccinated people in events linked to Covid compared to their share in the general population”, specifies a press release from the organization.

More specifically, the study analyzed contamination data between December 6, 2021 and January 2, 2022 for the 9% of French people over the age of 20 who were not vaccinated. This share represents 19% of positive PCR tests in symptomatic people, 44% of hospital admissions with Covid-19, 44% of deaths after hospitalization, but also 58% of critical care admissions.

Lower risk of hospitalization with the vaccine

Another important point of this research work, the DREES has integrated a differentiation with respect to the Omicron and Delta variants. During the week of January 3 to 9, 88% of positive tests were for the Omicron variant. The latter concerned 52% of conventional hospital admissions and 31% in intensive care. The part of the population most affected by this variant is made up of young people and vaccinated people.

Initial analyzes suggest that the risk of admission to intensive care is reduced in people positive for the Omicron variant under the age of 80 compared to Delta, whether the people are vaccinated or not. People aged 60-79 are primarily concerned. Finally, the vaccine, with the booster dose, remains effective against hospitalizations with the Omicron variant, but to a lesser extent compared to Delta. Protection against infection is lower than with Delta. Nevertheless, the length of hospitalization is shorter with Omicron than Delta.


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