What is the molecular evolution of SARS-CoV-2 viruses circulating in the region? Results of Flash Survey #28

Consolidated results of Flash Survey #28 (October 12, 2021)

1,952 samples from 16 regions/territories in mainland France and overseas territories (36.8% of the 5,305 positive cases reported today), of which 1,788 yielded interpretable results.

The following variants of concern were detected among the samples:

  • In mainland France:

    • 99.9% of variants 21A/I/J (Delta, B.1.617.2, AY*, first identified in India) and other non-VOC variants, including <0.1% of 20E (B.1.177) and <0.1% of B.1.640.

  • In Guadeloupe: Sample sizes too small to produce interpretable results.

  • In Martinique: 100% Delta variants

  • In French Guiana: Did not participate in Flash Survey #28

  • In Réunion: Sample size too small to produce interpretable results; however, Delta accounts for all 5 sequenced samples with an interpretable result.

  • In Mayotte: Did not participate in Flash Survey #28

Flash Surveys

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

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