Key points

In week 16, circulation of SARS-CoV-2 continued to decline in France, with a drop in all virological indicators.

• Metropolitan France:

  • Drop in the indicators among all age groups, particularlythe under-20s

  • Positivity and incidence rates still high in all regions

  • Downward trend in new hospital admissions, but still at a high level

• Overseas France:

  • Incidence and hospitalisation rates still very highin Reunion Island

Variants

• The Omicron BA.2 sub-lineage accounted for 99% of interpretable sequences in the Flash Survey for week 15 (11 April)

Prevention

• CoviPrev Survey wave 33 (8-15 April 2022)

  • Decline in the regular use of precautionary measures,particularly wearing masks (42% vs. 71% in February)

  • 68% of respondents who had already received the first booster shot were in favour of the second shot (77% among people aged 60 and over)

• Vaccination on 25 April 2022 (Vaccin Covid data):

  • 83.7% of people aged 65+ had received a completeprimary vaccination series and a booster shot

  • 3.3% of 60-79 year-olds had received their second booster shot (32.0% of those eligible)

  • 13.2% of people aged 80+ had received their second booster shot (19.9% of those eligible)

• Protection against the SARS-CoV-2 and flu viruses in high circulation:

  • Importance of self-isolating in the event of symptoms or a positive test for COVID-19

  • The need to continue taking individual precautions