Viral transmission in asymptomatic cases of SARS-CoV-2 infection. Issue 2 (February 2021) - Grall, Isabelle; Alloui, Chakib-Ahmed; Tandjaoui-Lambiotte, Yacine; Deslandes, Antoine; Seytre, Delphine; Chappe, Julie; Carbonnelle, Etienne; Brichler, Segolène; Jacolot, Anne; Zahar, Jean-Ralph; Lomont, Alexandra