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. 2008 Jun 25;3(6):e2517. doi: 10.1371/journal.pone.0002517

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Laddy 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) Kaplan-Meier curve of ferrets challenged with an H5N1 virus (A/Vietnam/1203/04). Ferrets were immunized and electroporated three times with the indicated constructs. One month following the final immunization, ferrets were challenged intranasally with a lethal dose of an H5N1 influenza virus. (b) Maximum weight loss in each group. Error bars represent 1 standard deviation from the mean, and are shown only in the positive direction for clarity.