Key Points

In week 45, SARS-CoV-2 transmission intensified in mainland France, and the upward trend in new hospitalizations was confirmed.

• Mainland France:

  • Incidence rates* rising across all age groups and regions

  • Testing rates* rising sharply among younger people due to the start of the school year

  • New hospitalizations stable or rising in all regions

• Overseas territories:

  • A concerning situation in Réunion, where the incidence rate has risen sharply

  • In French Guiana, a decrease in SARS-CoV-2 circulation and an improvement in hospital indicators

Variants

• Nearly 100% of cases identified as the Delta variant through sequencing in the latest Flash survey (October 25–29, 2021)

Contact tracing

• In line with the end of the school break, an increase in the number of cases reporting attendance at a school and a decrease in mobility of cases outside their region of residence

• Decrease in the time between the first clinical symptoms and diagnostic testing: it stands at 2.2 days following the significant increase observed in Week 44

Prevention

• Wave 29 of the CoviPrev survey (October 28–November 5):

  • Increase in the proportion of unvaccinated individuals refusing to get tested if they have symptoms

• Vaccination status as of November 16, 2021 (Covid Vaccine data):

  • 76.9% of the population had received at least one dose, and 75.2% were fully vaccinated

  • Among those aged 65 and older, 29.1% had received a booster dose; this rate rose to 68.1% among eligible individuals in this age group

• Importance of combined measures: vaccination, including booster shots for those aged 65 and older, participation in contact tracing, and adherence to preventive measures

*Rate adjusted for the effect of public holidays (November 1 and 11). **Unconsolidated data

Learn more

• See our report on the Covid-19 pandemic

• Visit our page on variants

• Visit our page on contact tracing

• Visit our page on the Flash survey

• Visit our page on the CoviPrev survey

• View other national epidemiological updates