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. 2010 Jul 12;5(7):e11548. doi: 10.1371/journal.pone.0011548

Figure 4. Viral loads and morbidity following A/California/07/2009 challenge in ferrets.

Figure 4

(A) Viral replication of influenza A/California/07/2009 in nasal washes following intranasal challenge. Average pfu of virus from the nasal washes of each group (4 ferrets per group) on days 1, 3, and 5 post challenges. (B) Change in body temperature and (C) percent body weight.