What is the molecular evolution of SARS-CoV-2 viruses circulating in the region? Results of Flash Survey #25

Consolidated results of Flash Survey #25 (September 21, 2021)

1,788 samples from 17 regions/territories in mainland France and overseas territories (28% of the 6,376 positive cases reported today), of which 1,608 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)

  • In Guadeloupe: sample sizes too small to produce interpretable results; however, Delta accounts for all 18 sequenced samples with an interpretable result

  • In Martinique: 100% Delta variants

  • In French Guiana: no participation in the Flash#25 survey

  • In Réunion: 100% Delta variants

  • In Mayotte: sample size too small to produce interpretable results

Flash# Surveys

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

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