Table II.

Summary of the evaluation of the cumulative clinical scores

Replicate	Controls	Vaccinates
1	472a	35
2	610	14
3	435	12
4	217	13
5	232	5
P-value	0.0090b

^a Cumulative clinical score was calculated as the sum of 15 daily scores summed over 90 d of post-challenge observations.

^b Wilcoxon’s rank sum test.