Table 1

Ten most common Finnish epidemic MRSA strains analyzed by PFGE (one per person) 1997–2004.
aMRSA strain
 Sequence type (ST) and SCCmec type
 1997
 1998
 1999
 2000
 2001
 2002
 2003
 2004
 Overall
 No. of hospital districts in which the strain found (total n = 20)
FIN-16
 ST125:IA
 1
 2
 6
 3
 21
 103
 231
 375
 742
 15
FIN-4
 ST375:IV
 33
 39
 46
 65
 93
 72
 94
 183
 625
 20
FIN-21
 ST228:I
 0
 0
 0
 0
 0
 32
 118
 431
 581
 3
FIN-7
 ST8:IV
 4
 12
 12
 10
 41
 145
 83
 188
 495
 16
FIN-10
 ST45:IV, V
 15
 16
 16
 48
 28
 69
 146
 110
 448
 17
FIN-3
 ST5:II
 25
 21
 8
 4
 9
 16
 46
 44
 173
 14
FIN-15
 ST8:IV
 0
 0
 0
 25
 9
 27
 32
 33
 126
 7
FIN-12
 ST22:IV
 2
 9
 3
 13
 14
 22
 22
 27
 112
 16
bFIN-2
 ST241:IIIB
 0
 6
 44
 8
 4
 3
 2
 5
 72
 7
FIN-6
 ST36:II
 18
 14
 7
 6
 11
 7
 1
 1
 65
 11
Other strains
27
 59
 53
 35
 61
 58
 59
 85
 437
 20
Sporadic
12
 19
 17
 32
 33
 25
 31
 46
 215
 19
Total
137
 197
 212
 249
 324
 579
 865
 1528
 4091

aMRSA strains include related patterns with a 1–6 band differences.

bThis represents only FIN-2e subtype.

Kerttula et al. BMC Infectious Diseases 2007 7:94   doi:10.1186/1471-2334-7-94