Key points

In week 37, all the epidemiological indicators continued to improve in metropolitan France. Nevertheless, the situation remained very concerning in French Guiana.

• Metropolitan France:

  • Improvement in the epidemiological indicators in all regions

• Overseas France:

  • French Guiana: incidence rate and hospital indicators high and on the rise

  • Martinique and Guadeloupe: incidence rate and hospital indicators on the decline

Variants

• Delta variant identified in more than 99% of interpretable sequenced samples in Flash Surveys from 24 and 31 August 2021

Contact tracing

• Slight increase in the average number of contacts per case:

  • Continued decline in the number of cases not reporting any contacts

  • Rise in the number of cases reporting more than five contacts

Prevention

• Vaccination coverage on 21 September: 74.5% with at least one dose and 71.9% fully vaccinated

• CoviPrev Survey from 31 August to 7 September:

  • Increased anxiety and sleep problems compared to the previous wave

• Importance of combining different measures: vaccination in addition to contact tracing and preventive measures, especially in the current context marked by a lower adherence to preventive measures