Figure 4From: Respiratory syncytial virus infection in Fischer 344 rats is attenuated by short interfering RNA against the RSV-NS1 genesiNS1 decreases CD4+ T cell infiltration of lung tissue. Rats (n = 6) were given siNS1 or control vector followed by RSV 24 h later. After 5 days, the lungs were removed, sectioned and stained for CD4 and CD8. Experiments were repeated twice and representative fluorescent micrographs are shown.Back to article page