A small number of early introductions seeded widespread transmission of SARS-CoV-2 in Québec, Canada oleh Carmen Lía Murall, Eric Fournier, Jose Hector Galvez, Arnaud N’Guessan, Sarah J. Reiling, Pierre-Olivier Quirion, Sana Naderi, Anne-Marie Roy, Shu-Huang Chen, Paul Stretenowich, Mathieu Bourgey, David Bujold, Romain Gregoire, Pierre Lepage, Janick St-Cyr, Patrick Willet, Réjean Dion, Hugues Charest, Mark Lathrop, Michel Roger, Guillaume Bourque, Jiannis Ragoussis, B. Jesse Shapiro, Sandrine Moreira