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. 2005 Nov;73(11):7366–7374. doi: 10.1128/IAI.73.11.7366-7374.2005

TABLE 2.

Comparison of virulence of tetraploid strains

Strain Strain background Relative virulence (days to 50% mortality)
SC5314 (control) SC5314 6-6.5
4450 SC5314 15
3832 CAI-4 9-10
3834 CAI-4 14-15
3609 CAI-4 8-11
3148 FC18 ≥12