What is the molecular evolution of SARS-CoV-2 viruses circulating in the region? Results of Flash Survey #22

Consolidated results of Flash Survey #22 (August 31, 2021)

3,508 samples from 17 regions/territories in mainland France and overseas territories (21.7% of the 16,165 positive cases reported today), of which 3,265 yielded interpretable results.

The following variants of concern were detected among the samples:

  • In mainland France:

    • 99.6% of 21A variants (Delta, B.1.617.2, first identified in India)

    • 0.2% of 20I variants (Alpha+/-484K/Q, V1, B.1.1.7, first identified in the United Kingdom)

    • <0.1% of 20A variants (Gamma, V3, P.1, first identified in Brazil)

  • In the Overseas Territories:

    • In Guadeloupe: 100% Delta variants

    • In Martinique: 97.1% Delta variants and 2.9% Alpha variants

    • In French Guiana: Did not participate in Flash Survey #21

    • In Réunion: 87.3% Delta variants, 10.1% Beta variants, and 2.5% Alpha variants

    • In Mayotte: Sample size too small to produce interpretable results; however, Delta accounts for the majority of the 5 sequenced samples with interpretable results.

Flash Surveys #

Learn more about the Flash surveys and view all results from the various survey waves

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