A small number of early introductions seeded
widespread transmission of SARS-CoV-2
in Quebec, Canada

In April 2020, the Coronavirus Sequencing in Québec (CoVSeQ) consortium was assembled to sequence SARS-CoV-2 genomes in Québec to track viral introduction events and transmission within the province.

Jose Hector Galvez, Pierre-Olivier Quirion, Paul Stretenowich, Mathieu Bourgey, David Bujold, Romain Gregoire and Guillaume Bourque from C3G Montreal node contributed to the study and investigated the arrival of SARS-CoV-2 to Québec. They quantify the number of introduction events into Québec, identify their origins, and characterize the spatiotemporal spread of the virus by combining phylogenetic and phylodynamic analyses with epidemiological data.

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Published: November 23, 2021