Figure 4From: Clinical response to pandemic h1n1 influenza virus from a fatal and mild case in ferrets Viral replication in trachea, lungs and broncheo alveolar lavage (BAL) of infected ferrets. At 4 and 7 dpi, samples of trachea, lung and BAL were collected to measure viral titers. (A) Virus titers in trachea; (B) Lung titers, (C) Viral titers in BAL.Back to article page