Figure 6From: Route of infectious bronchitis virus vaccination determines the type and magnitude of immune responses in table egg laying hensQuantification of viral RNA expressed as a log REU of RNA in the A HG, B turbinate, C choanal cleft, D trachea, E caecal tonsil and F kidney samples. Data presented as the mean  ±  SEM. Different letters indicate significant (p  < 0.05) differences within time points.Back to article page