Key Points

In Week 4, the spread of SARS-CoV-2 slowed nationwide, but epidemiological and hospital indicators remain very high.

• Mainland France:

  • Incidence rates are declining or stable in most regions, but rising among those aged 70 and older

  • New hospitalizations and admissions to intensive care are stable or rising in most regions

  • Confirmation of an improving situation in Île-de-France

• Overseas territories:

  • Highest incidence rates and new hospitalizations in Réunion

Contact tracing

• Among those aged 75 and older, nearly one in five reported cases mentions having visited a long-term care facility (an indicator on the rise for the second consecutive week)

Variants

• Omicron accounted for 97% of interpretable sequences in the Flash S03 survey of 01/17

• BA.2 sublineage remains very rare but is on the rise (2% on 01/17 vs. 0.9% on 01/10)

Prevention

• CoviPrev Survey Wave 31 (January 11–18):

  • 33% of parents support vaccinating their children aged 5 to 11

  • Mental health remains poor; one-third of respondents reported feeling anxious or depressed

• Vaccination as of February 1, 2022 (Covid Vaccine data):

  • 78.6% of the total population had received a full primary vaccination series

  • 67.2% of those aged 18 and older had received a booster dose (77.5% of eligible individuals) and 81.4% of those aged 65 and older (89.7% of eligible individuals)

• Importance of combined measures:

  • Complete vaccination schedule with a booster shot as early as three months

  • Adherence to preventive measures, including mask-wearing and contact reduction, as well as other recommended measures such as frequent ventilation of enclosed spaces, teleworking, and participation in contact tracing

Learn more

• See our report on the COVID-19 pandemic

• Visit our page on variants

• Visit our page on contact tracing

• View all national epidemiological updates