COVID-19: epidemiological update. Weekly report. Week 10. 17 March 2022.

Publié le 18 mars 2022
Mis à jour le 18 mars 2022

Key points 

In week 10, circulation of SARS-CoV-2 increased to a high level across French territories while hospital admissions stabilised.

  • Metropolitan France:
    • Incidence rate rising in all age groups and regions
    • Positivity rate high and rising again
    • Numbers of new intensive care admissions and deaths continue to fall
    Overseas France:
    • Incidence rate on the rise and particularly high in Martinique (>3,000/100,000)

Variants

  • Omicron accounted for 99.9% of interpretable sequences in the Flash Survey of 28 February for week 9
  • BA.2 sub-lineage in majority (57% in week 9)

Contact tracing 

  • Rise in the number of new contact cases (+25%) and new contacts at risk (+14%)
  • Of those contacted, 82% of cases and 84% of contacts were reached by SMS

Prevention

  • Vaccination on 15 March 2022 (Vaccin Covid data):
    • 79.5% of the French population had completed a primary vaccination series
    • 73.0% of the 18+ age group (representing 82.6% of those eligible) and 83.0% of the 65+ age group (91.0% of those eligible) had received a booster shot
  • Importance of combining measures: full vaccination series with a booster at 3 months and maintaining recommended precautionary measures (mask wearing, hand washing, frequent ventilation of enclosed spaces and adherence to contact tracing).