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. 2003 Jul 23;100(16):9398–9403. doi: 10.1073/pnas.1633511100

Table 2. TgPVR21 mouse neurovirlence test with type-3 polioviruses.

Paralyzed mice (in groups of 10)
Dose (log10 TCID50)
Virus strain 1 2 3 4 5 6 PD50 (log10 TCID50)
Leon/37 6 10 10 10 10 nd <1.0
11264 5 10 10 10 10 10 1
Sabin 3 nd 1 1 6 10 10 3.2

TCID50, tissue culture 50% infective dose; PD50, 50% of the paralytic dose.