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. 2017 May 24;18(Suppl 4):372. doi: 10.1186/s12864-017-3732-4

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© The Author(s). 2017

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 2 — Transmission network density This is an example of a real HCV transmission network obtained during an outbreak study. A link is drawn if the minimal edit distance between the two samples is smaller than T, whereas the size of the node is proportional to its genetic heterogeneity. In this particular example, only 0.8% of all sample-pairs are linked by transmission