Table 1

The number of isolates of the various subspecies of Salmonella enterica in animals in Sweden during 1968–97.

Salmonella enterica subspecies
1968–72
1973–77
1978–82
1983–87
1988–92
1993–97

Subspecies I (Subsp. enterica)
1721
1077
1231
720
524
435
Subspecies II (Subsp. salamae)
10
2
4
6
11
29
Subspecies IIIa & IIIb (Subsp. arizonae & diarizonae)
14
19
14
13
59
73
Subspecies IV (Subsp. houtenae)
1
2
1
3
4
15
Not typed or typable
6
16
18
4

3

Total
1752
1116
1268
746
598
555

Boqvist et al. Acta Veterinaria Scandinavica 2003 44:181   doi:10.1186/1751-0147-44-181