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. 2012 Nov;86(22):11967–11976. doi: 10.1128/JVI.00902-12

Table 1.

Grading score for clinical symptoms of BJCA08/CA16-infected mice

Grade Clinical sign(s)
0 Healthy
1 Lethargy and inactivity
2 Wasting
3 Limb-shake weakness
4 Hind limb paralysis
5 Moribund and death