Key points

In week 18, circulation of SARS-CoV-2 and hospital admissions continued to decrease nationwide. Virological indicators remained at high levels, particularly in Reunion Island and Martinique.

• Metropolitan France:

  • Incidence rate below the 500/100,000 threshold in almost all age groups

  • Positivity rate still high (20.1%)

  • Decrease in hospital admissions

• Overseas France:

  • Virological and hospital indicators highest but decreasing in Reunion Island

  • Strong increase in virological indicators in Martiniquese

• Reinfections:

  • 6.9% of all confirmed cases in week 16, increasing since week 4

Variants

• Omicron BA.2 sub-lineage: 98.6% of interpretable sequences in the Flash Survey for week 17 (25 April)

Prevention

• CoviPrev survey wave 33 (8-15 April): mental health remains deteriorated

  • Sleep problems declared by 69% of respondents

  • Anxiety or depressiveness reported by 30% of respondents

• Vaccination on 9 May 2022 (Vaccin Covid data):

  • 83.9% of people aged 65+ had received a complete primary vaccination series and a booster shot

  • In the 60-79 age group, 4.5% had received a second booster shot (representing 34.6% of those eligible)

  • In the 80+ age group, 16.7% had received a second booster shot (representing 24.0% of those eligible)

• Amid continued circulation of SARS-CoV-2 and influenza viruses, it remains necessary to:

  • Self-isolate in case of symptoms and a positive test for COVID-19

  • Respect individual precautions, such as wearing a mask (especially around vulnerable people and in enclosed spaces), washing hands and airing enclosed spaces regularly