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Abstract

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.

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/content/10.2807/1560-7917.ES.2020.25.26.2001200
2020-07-02
2020-10-28
http://instance.metastore.ingenta.com/content/10.2807/1560-7917.ES.2020.25.26.2001200
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