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. 2020 Apr 21;7:176. doi: 10.3389/fvets.2020.00176

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Copyright © 2020 Alkhamis, Li and Torremorell.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Dispersal routes of human-like H3 swine influenza virus between states inferred from the HA gene segment. Dispersal routes with non-zero rates were inferred using the Bayesian stochastic search variable selection (BSSVS) approach, and statistically significant routes were selected using Bayes factors (BF). The top three dispersal routes with the strongest statistical support (by the BFs) are plotted. Arrows' colors correspond to the color legend of their BF values on the upper right of each map. (A–D) Dispersal routes inferred from four node-age + asymmetric BSSVS priors. (E–H) Dispersal routes inferred from four node-age + symmetric BSSVS priors.