Key points

In week 42, the rebound in circulation of the virus was confirmed in metropolitan France, with a new rise in the incidence rate and an upward trend for new hospitalisations.

• Metropolitan France:

  • Greater increase in the incidence rate among people aged 60 years and older

  • Incidence rate above 50/100,000 inhabitants in 44 departments

  • R number >1 and rising, leading to the accelerated circulation of SARS-CoV-2 across the country

  • Decline in the screening rate among adults aged 20 years and older, especially among 20-39 year-olds

  • Increasing or stable trend for new hospital and

  • intensive care admissions in all regions

• Overseas France:

  • French Guiana: falling incidence and hospitalisation rates

Variants

• Delta variant identified in 100% of sequenced samples in Flash Surveys on 28 September and 5 October 2021

Contact tracing

• Increase in the average number of contacts per case in a context marked by a rising number of cases

• Higher proportion of cases previously identified as contacts

Prevention

• Vaccination on 26 October 2021 (Vaccin Covid data):

  • 76.2% of the French population had received at least one vaccine dose and 74.3% were fully vaccinated

  • 16.9% of people aged 65 years and older had received a booster dose

• Importance of combining measures: vaccination, including the booster for the population over 65 years, adherence to contact tracing and respect of preventive measures