Network from Scientific Research

Phylogenetic tree including the sequences from segregated co-infecting strains and sequences obtained from all SARS-CoV-2 cases diagnosed 4 weeks before and after diagnosis of the candidate for co-infection (scale bar: substitutions per site). We present two representative examples of a an epidemiologically inconsistent case (patient 55 in Additional file 1 : Table S4). The two segregated sequences from the co-infected candidate were located closer to each other, including sharing the same branch, than to any other circulating strain

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