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. 2014 May 2;9(5):e95911. doi: 10.1371/journal.pone.0095911

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© 2014 Xu 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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, . (a) varies with f for AI, the optimal immunization ratio . (b) varies with f for CBI, the optimal immunization ratio . (c) A possible local network structure of contact network.

Inline graphic — , . (a) varies with f for AI, the optimal immunization ratio . (b) varies with f for CBI, the optimal immunization ratio . (c) A possible local network structure of contact network.