Key Points

In Week 12, SARS-CoV-2 transmission intensified across the country, with an increase in new
hospitalizations.

• Mainland France:

  • Incidence rates rising across all age groups for the third consecutive week

  • Incidence rates >1,000/100,000 in all regions

  • Positivity rate remains very high and is rising

  • Admissions to critical care slightly up

• Overseas territories:

  • High and rising incidence rate in Réunion (>1,000)

  • High incidence rate but decreasing in Martinique (>1,000)

• Reinfections: 5.4% of all confirmed cases in week 11

Variants

• Omicron accounted for more than 99.9% of interpretable sequences in the Flash S11 survey of March 14

• BA.2 sublineage predominant (84% in S11)

Prevention

• Vaccination as of March 28, 2022 (Covid Vaccine data):

  • 79.5% of the total population had received a full primary vaccination series

  • 73.2% of those aged 18 and older and 83.2% of those aged 65 and older had received a booster dose

  • Need for a complete vaccination regimen including the booster, with a second dose for eligible individuals, particularly those aged 80 and older, nursing home residents, and immunocompromised individuals

• Against the backdrop of a sharp increase in the circulation of SARS-CoV-2 and influenza viruses:

  • Importance of individuals continuing to follow preventive measures, including wearing a mask—particularly in enclosed spaces or in the presence of vulnerable people—handwashing, and frequent ventilation of enclosed spaces

For more information

• See our report on the COVID-19 pandemic

• Visit our page on variants

• View all national epidemiological updates