Figure 2From: Susceptibility to and transmission of H5N1 and H7N1 highly pathogenic avian influenza viruses in bank voles (Myodes glareolus) Immunohistochemical detection of HPAI viruses in paraffin-embedded tissue sections from infected voles. Positive staining by IHC in trachea (A) (red arrow) and lungs (B) collected on day 3 pi from two voles intranasally infected with 103.75 EID50/0.1Â mL of the Os/H7N1 virus.Back to article page