Key Points

In Week 16, the slowdown in SARS-CoV-2 transmission was confirmed nationwide, with a decline in all virological indicators.

• Mainland France:

  • Decline in indicators across all age groups, particularly among those under 20

  • Incidence and positivity rates remain high in all regions

  • Downward trend in new hospital admissions, though numbers remain high

• Overseas territories:

  • Incidence and hospitalization rates remain at very high levels in Réunion

Variants

• The Omicron BA.2 sublineage accounted for 99% of interpretable sequences in the Flash S15 survey (April 11)

Prevention

• CoviPrev Survey Wave 33 (April 8–15, 2022):

  • Decline in the consistent use of preventive measures, particularly mask-wearing (42% vs. 71% in February)

  • 68% of respondents who had already received a first booster dose were in favor of a second dose (77% among those aged 60 and older)

• Vaccination status as of April 25, 2022 (Covid Vaccine data):

  • 83.7% of those aged 65 and older had received a full primary vaccination series and a booster dose

  • Among those aged 60–79, 3.3% had received their second booster (32.0% of those eligible)

  • Among those aged 80 and older, 13.2% had received their second booster dose (19.9% of those eligible)

• In a context of high circulation of SARS-CoV-2 and influenza viruses:

  • Importance of self-isolation in case of symptoms and a positive COVID-19 test

  • The need to continue practicing individual preventive measures

Learn more

• See our report on the COVID-19 pandemic

• Visit our page on variants

• View all national epidemiological updates