Preprint Review Version 1 Preserved in Portico This version is not peer-reviewed

Preliminary Case Report on the SARS-CoV-2 Cluster in the UK, France, and Spain

Version 1 : Received: 26 February 2020 / Approved: 27 February 2020 / Online: 27 February 2020 (11:08:56 CET)

A peer-reviewed article of this Preprint also exists.

Journal reference: Swiss Medical Weekly 2020, 150
DOI: 10.4414/smw.2020.20212

Abstract

Almost half of the confirmed COVID-19 cases detected so far in the United Kingdom are part of a large cluster of 13 British nationals who tested positive for SARS-CoV-2 in the UK, Spain, and France. Transmissions among this cluster occurred at a ski resort in France, and originated from a single infected traveller returning from a conference in Singapore where he acquired the virus. At least 21 individuals were exposed to the virus, tested, and quarantined, with 13 of those testing positive between the period of 6th Feb and 15th Feb. Here, all publicly available information about the primarily UK/France cluster is consolidated, providing a complete and accessible summary of the cases and their connections. Notable in this cluster are the number of individuals infected, the apparent absence of any severe illness among those infected, and a case of a `delayed positive' test during isolation after initially testing negative, at least 7 days after last possible contact.

Supplementary and Associated Material

Subject Areas

COVID-19 SARS-CoV-2 hCOV-19 coronavirus epidemiology contact-tracing cluster outbreak epidemic

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