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. 2016 Jun 16;13(6):600. doi: 10.3390/ijerph13060600

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© 2016 by the authors; licensee MDPI, Basel, Switzerland.

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC-BY) license (http://creativecommons.org/licenses/by/4.0/).

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Modeled result of the ecological niche of H7N9 according to the distances to live poultry processing factories and distance to live poultry farms. The blue crosses represent the suitable ecological niche of H7N9.