TABLE 1.

Pyrosequencing results in relation to serovar and PCR-REA group

Nucleotide		Serovar	No. of strains	PCR-REA group serovar 4b
Pyrosequencing of position 1575	Pyrosequencing of position 1578
C/T	G/T	4b	18	I
T	G/T	4b	17	II
T	G/T	4b	2a	I
T	A	1/2a	19
T	A	1/2c	17
T	A	3a	1
T	T	1/2b	16
T	T	3b	16

^aThe pyrosequencing data were supported by conventional DNA sequencing.