Seroprevalence of anti-SARS-CoV-2 antibodies among school and daycare children and personnel: protocol for a cohort study in Montreal, Canada oleh Jesse Papenburg, Gaston De Serres, Guy Boivin, Caroline Quach, Kate Zinszer, Britt McKinnon, Katia Charland, Nancy Haley, Noémie Bourque, Monica Zahreddine, Geneviève Fortin, Marie-Ève Hamelin, Adrien Saucier, Alex Apostolatos, Laura Pierce, Ashley Savard-Lamothe, Julie Carbonneau, Patricia Conrod, Isabelle Laurin