COVID-19: Epidemiological Update for January 12, 2023

Key Points

In week 01-2023, SARS-CoV-2 transmission continued to slow down nationwide. The incidence rate continued to decline, though less markedly among those under 20. Hospitalizations and deaths continued to decrease.

  • Mainland France:

    • Incidence rates declining across all regions

    • Hospitalization rates declining across all regions

    • Number of deaths decreasing

  • Overseas territories:

    • Decrease in incidence rates and rates of new hospitalizations in most territories

Variants

  • BA.5 is ubiquitous (93% of sequences in the Flash S52 survey of 12/26); among its sublineages, BQ.1.1 appears to be stabilizing (69% vs. 67% for Flash S51)

Prevention

  • Vaccination as of January 9, 2023 (Covid Vaccine data):

    • 17.9% of those aged 60–79 had received a booster tailored to the Omicron variant (22.8% of those eligible); these figures were 21% and 24.6%, respectively, among those aged 80 and older;

    • 30.9% of those aged 60–79 and 21.9% of those aged 80 and older are considered protected by vaccination.

  • Given the ongoing circulation of SARS-CoV-2 and seasonal viruses, it is essential to maintain adherence to the following combined measures:

    • up-to-date COVID-19 vaccination, including a booster dose with a bivalent vaccine (against the original strain and the Omicron variant) for those eligible who have received their primary series, as well as against the flu;

    • isolation in the event of a positive test and/or symptoms;

    • continued adherence to preventive measures: wearing a mask (in the presence of vulnerable individuals, in crowded indoor spaces such as public transportation), handwashing, and ventilating enclosed spaces.

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