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. 2015 Dec 28;11(12):e1004665. doi: 10.1371/journal.pcbi.1004665

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© 2015 Wang et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Fig 2 — Parameters σ ₁ and σ ₂ represent the transportation rates of uninfected T cells between blood and lymph nodes. Cytokines (C) attract uninfected T cells (T ₁) from blood into lymph nodes at an enhanced rate γ _r C. Parameters D ₁ and D ₂ represent the transportation rates of virus between two compartments.