Eurosurv. Introductions and early spread of SARS-CoV-2 in France, 24 January to 23 March 2020

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• Introductions and early spread of SARS-CoV-2 in France, 24 January to 23 March 2020
  
  
• Fabiana G?mbaro[SUP]1,2,3[/SUP] , Sylvie Behillil[SUP]3,4,5[/SUP] , Artem Baidaliuk[SUP]1,3[/SUP] , Flora Donati[SUP]4,5[/SUP] , M?lanie Albert[SUP]4,5[/SUP] , Andreea Alexandru[SUP]6[/SUP] , Maud Vanpeene[SUP]6[/SUP] , M?line Bizard[SUP]6[/SUP] , Angela Brisebarre[SUP]4,5[/SUP] , Marion Barbet[SUP]4,5[/SUP] , Fawzi Derrar[SUP]7[/SUP] , Sylvie van der Werf[SUP]4,5,8[/SUP] , Vincent Enouf[SUP]4,5,6,8[/SUP] , Etienne Simon-Loriere[SUP]1,8[/SUP]

Following SARS-CoV-2 emergence in China, a specific surveillance was implemented in France. Phylogenetic analysis of sequences retrieved through this surveillance suggests that detected initial introductions, involving non-clade G viruses, did not seed local transmission. Nevertheless, identification of clade G variants subsequently circulating in the country, with the earliest from a patient who neither travelled to risk areas nor had contact with travellers, suggests that SARS-CoV-2 might have been present before the first recorded local cases.


https://www.eurosurveillance.org/content/10.2807/1560-7917.ES.2020.25.26.2001200