Figure 2From: Highly pathogenic or low pathogenic avian influenza virus subtype H7N1 infection in chicken lungs: small differences in general acute responsesScatter plot of the amount of viral RNA of individual birds in the lung at different time points post inoculation (hpi) with LPAI (open symbols) or HPAI (closed symbols). The horizontal line represents the mean of 6 individual birds. Viral RNA expression was determined using RT-PCR and data were expressed as EID50/g.Back to article page