What is the molecular evolution of SARS-CoV-2 viruses circulating in the region? Results of Flash Survey #21

Consolidated results of Flash Survey #21 (August 24, 2021)

4,152 samples from 15 regions/territories in mainland France and overseas territories (19% of the 21,356 positive cases reported today), of which 3,722 yielded interpretable results.

The following variants of concern were detected among the samples:

  • In mainland France:

    • 99.8% 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: did not participate in Flash Survey #21

    • In French Guiana: no participation in Flash Survey #21

    • In Réunion: 84.9% Delta variants, 13.7% Beta variants, and 1.4% Alpha variants

    • In Mayotte: did not participate in the Flash#21 survey (very low number of positive cases).

Flash# surveys

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

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