Table 1 Prevalence of human and fish Streptococcus agalactia serotype Ia isolates and their pulsotypes in four years

Total fish isolates

7

23

7

37

Serotype Ia [N (%)]

7 (100)

23 (100)

7 (100)

37 (100)

 I

6 (85.7)

19 (82.6)

5 (71.4)

30 (81.1)

 Ia

1 (14.3)

4 (17.4)

0 (0)

5 (13.5)

 ND

0 (0)

0 (0)

2 (28.6)

2 (5.4)

Total human isolates

185

169

81

119

554

Serotype Ia [N (%)]

7 (3.8)

5 (3.0)

3 (3.7)

5 (4.2)

20 (3.2)

 II

2 (28.6)

2 (40)

1 (33.3)

2 (40)

7 (35)

 IIa

2 (28.6)

2 (40)

1 (33.3)

5 (25)

 IIb

1 (14.3)

1 (5)

 III

1 (14.3)

1 (5)

 IV

1 (14.3)

1 (5)

 V

1 (20)

1 (5)

 VI

1 (33.3)

1 (5)

 VII

1 (20)

1 (5)

 VIII

1 (20)

1 (5)

 IX

1 (20)

1 (5)