COVID-19: epidemiological update. Weekly report. Week 41. 21 October 2021.

Publié le 22 octobre 2021
Mis à jour le 22 octobre 2021

Key points

Epidemiological situation

In week 41, the circulation of SARS-CoV-2 increased in metropolitan France, with a rise in the incidence rate but a stable trend for the national hospital indicators.

  • Metropolitan France:
    • More marked increase in the incidence rate among 60-89 year-olds
    • Rising trend for hospital admissions in some regions
  • Overseas France:
    • French Guiana: falling incidence and hospitalisation rates but still high

Variants

  • Delta variant identified in 99% of sequenced samples in Flash Surveys on 21 and 28 September 2021

Contact tracing

  • Increase in the number of new cases and contacts identified in ContactCovid
  • Rise in the proportion of people aged 65 years and older among cases and contacts

Prevention

  • Vaccination (Vaccin Covid data):
    • On 19 October, 75.9% of the French population had received at least one vaccine dose, and 73.9% were fully vaccinated
    • On 19 October, 13.7% of people aged 65 years and older had received a booster dose
    • Lower vaccination coverage of adults living in a vulnerable situation compared to the general population: 74.9% with at least one dose and 72.7% with full vaccination (vs 81.6% and 79.6%, respectively) on 17 October
  • CoviPrev Survey for wave 28 (28 September-5 October 2021): increase in sleep problems, anxiety, and depression compared to wave 26 (15-21 July 2021)
  • Importance of combining different measures: vaccination, including the booster for the population over 65 years, adherence to contact tracing, and respect of preventive measures