Scatterplot of viral shedding as detected by nasal washes in ferrets.

A) Scatterplot of viral shedding as detected in nasal washes collected from inoculated ferrets at 2 days post inoculation (DPI). B) Scatterplot of viral shedding as detected in nasal washes collected from DC ferrets at 2, 5, 7, and 9 DPI. One 9-DPI sample from the swH1N1pdm09 group was missing. C) Scatterplot of viral shedding as detected in nasal washes collected from AT ferrets at 2, 5, 7, and 9 DPI. Black lines represent the median viral shedding for positive samples. The number of positive samples out of the total number of samples in the group is presented above each cluster of dots as a fraction.