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. 2021 Jan 13;16(1):e0245352. doi: 10.1371/journal.pone.0245352

Fig 3. Number of SARS-CoV-2 sequences most closely related to UF11 strains detected over time.

Fig 3

Number of sequences and sampling date are given along the x- and y-axis, respectively. The color legend at the bottom indicate the country or state (for USA sequences) of origin. The vertical arrow indicates the sampling date (02/21/2020) of the UF11 isolate. (A) identical sequences. (B) Nearly identical sequences (1–5 nucleotide difference across the full genome), representing sequences potentially linked to UF11 through the same transmission chain (see Methods for details).