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. 2009 Jan 2;5(1):e1000252. doi: 10.1371/journal.ppat.1000252

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Steel 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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Nasal wash titers are plotted as a function of time post-inoculation. Titers of intranasally inoculated animals are represented by dashed lines and filled squares; titers of exposed guinea pigs are shown with solid lines and filled triangles. (A) Transmission of rVN1203 wild-type virus. (B) Transmission of the rVN1203 627E mutant. (C) Transmission of the rVN1203 627E 701N double mutant.