What is the molecular evolution of SARS-CoV-2 viruses circulating in the region? Results of Flash Survey #13

Key Points

Consolidated results of Flash Survey #13 (June 29, 2021)

824 samples from 15 regions/territories in mainland France and overseas territories (34.9% of the 2,362 positive cases reported today)

The following variants of concern were detected among the samples:

  • In mainland France

    • 54.0% of 21A variants (Delta, B.1.617.2, first identified in India)

    • 36.6% of 20I variants (Alpha, V1, B.1.1.7, first identified in the United Kingdom)

    • 4.2% of 20H variants (Beta, V2, B.1.351, first identified in South Africa)

    • 2.1% of 20J variants (Gamma, V3, P.1, first identified in Brazil)

    • 0.7% of 20I/484K variants (B.1.1.7 + E484K, first identified in the United Kingdom)

  • In the Caribbean

    • 98.2% of 20I variants (Alpha, V1, B.1.1.7, first identified in the United Kingdom)

    • 1.8% of 21A variants (Delta, B.1.617.2, first identified in India

  • In French Guiana: no samples included

  • In Réunion:

    • 98.9% of 20H variants (Beta, V2, B.1.351, first identified in South Africa)

    • 1.1% of 21A variants (Delta, B.1.617.2, first identified in India

  • In Mayotte: no samples included

Flash# surveys

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

In relation to

Our latest news

news

2026 “Sexual Behavior” Survey (ERAS) for men who have sex with men

news

Hervé Maisonneuve has been appointed scientific integrity officer for a...

Visuel illustratif

news

Public Health France 2026 Barometer: Launch of the Survey