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Figure 1 | Veterinary Research

Figure 1

From: Study of the underlying mechanisms and consequences of pathogenicity differences between two in vitro selected G1-H9N2 clones originating from a single isolate

Figure 1

Course of clinical signs for chickens infected with either CEF-H9N2 or MDCK-H9N2. Clinical signs were scored as: 0 = no sign, 1 = mild to moderate signs, 2 = moderate to severe signs, 3 = dead. Daily clinical score was calculated from the sum of the individual clinical scores from remaining chickens divided by the number of animals.

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