TABLE 4.

MLST analysis of isolates previously examined in porcine models of infection

Strain	Virulence	ST (ST complex)
H11/1	Highc	1 (1)
D282	Higha	1 (1)
P1/7	Highc	1 (1)
3881	Higha	1 (1)
87555	Highb	1 (1)
B831	Highc	1 (1)
1591	Highd	25 (27)
B554	Intermediatec	25 (27)
DH5	Lowb	26 (27)
TD-10	Lowc, d	25 (27)
0891	Lowd	28 (27)
3921	Intermediatea	19 (87)
3898	Lowa	19 (87)
3912	Lowa	8 (1)

^aVirulence determined by the intranasal method of Vecht et al. (50).

^bVirulence determined by the intranasal method of Galina et al. (15).

^cVirulence determined by i.v. inoculation (33).

^dVirulence determined by i.v. inoculation (36).