TABLE 6.
Neurovirulence of CHAT, Cox, and CHAT-VAPP strains
Strain | No. of clinically affected animals/total | Mean histological lesion score |
---|---|---|
Sabin 1 | 0/4 | 0.56 |
CHAT 10A-11 | 2/4 | 1.22 |
CHAT Yugo | 1/3 | 1.27 |
Cox | 2/4 | 1.55 |
134 | 4/4 | 2.01 |
136 | 2/3 | 1.85 |
Mahoney | 4/4 | 2.5 |