COVID-19: Epidemiological Update. Weekly Report. Week 19. May 17, 2023.

Key points

In week 19, virological indicators based on SI-DEP data continued to decline amid very low testing rates. Emergency department visits were down, as were new hospital admissions.

  • Metropolitan France:

    • Incidence and positivity rates decreasing in most age groups and in all regions

    • Hospital admission rate declining

  • Overseas France:

    • Incidence and positivity rates* highest on Réunion Island

    • Hospital admissions remain low

Variants

  • Recombinant XBB.1.5 is dominant but showing a downward trend, accounting for 44% of sequences in the Week 17 Flash Survey*** (vs. 53% in Week 16)

  • XBB.1.9 on the rise (36% in the Week 17 Flash Survey*** vs. 32% in Week 16)

  • Sub-lineages CH.1.1 and BQ.1 detected at low levels (1% and 3% in the Week 17 Flash Survey***)

Prevention

  • Vaccination as of May 15, 2023 (COVID-19 vaccine data):

    • 23.8% of people aged 60–79 and 26.7% of people aged 80 and older had received a booster dose tailored to the Omicron variant

    • 19.1% of people aged 60–79 had received a vaccine dose in the past 6 months, and 1.7% of people aged 80 and older in the past 3 months

  • Given the current state of the pandemic and the spring vaccination campaign, continued adherence to preventive measures is recommended:

    • up-to-date COVID-19 vaccination, including a booster dose of bivalent vaccine (protecting against the original strain and the Omicron variant) for eligible individuals who have already received a primary series;

    • continued adherence to precautionary measures, particularly in the event of a positive test result and/or symptoms, to protect vulnerable individuals.

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