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. 2019 Mar 28;5:10. doi: 10.1186/s40813-019-0117-x

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© The Author(s). 2019

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. 4 — Example of report for PRRSV introduction monitoring system (actual data). The graph illustrates the number of introductions into breeding herds between August 1st 2014 and December 31st 2018. Gray line represents a 6-month moving average