Analysis of contact tracing data showed contribution of asymptomatic and non-severe infections to the maintenance of SARS-CoV-2 transmission in Senegal. - Diarra, Maryam; Ndiaye, Ramatoulaye; Barry, Aliou; Talla, Cheikh; Diagne, Moussa Moise; Dia, Ndongo; Faye, Joseph; Sarr, Fatoumata Diene; Gaye, Aboubacry; Diallo, Amadou; Cisse, Mamadou; Dieng, Idrissa; et al. (Scientific Reports, 2023)