SARS-CoV-2 European resurgence foretold: interplay of introductions and persistence by leveraging genomic and mobility data. - Lemey P; Ruktanonchai N; Hong SL; Colizza V; Poletto C; Van den Broeck F; Gill MS; Ji X; Levasseur A; Sadilek A; Lai S; Tatem AJ; et al. (Research square, 2021)