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. 2017 Feb 22;17:123. doi: 10.1186/s12906-017-1618-2

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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. 1 — Antiviral activities against HSV-1 of crude extract and fractions obtained from C. canadensis. Extract and fractions were incubated with viruses prior infection (direct mode) or together with Vero cells and viruses during infection (absorption mode). The results are expressed as the percentage of inhibition of the lysis plaques at the indicated concentration