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Volume 9, Number 2—February 2003

Research

Elimination of Epidemic Methicillin-Resistant Staphylococcus aureus from a University Hospital and District Institutions, Finland

Pirkko Kotilainen*†Comments to Author , Marianne Routamaa*, Reijo Peltonen*, Jarmo Oksi*, Esa Rintala‡, Olli Meurman*, Olli-Pekka Lehtonen*, Erkki Eerola§, Saara Salmenlinna¶, Jaana Vuopio-Varkila¶, and Tuire Rossi*
Author affiliations: *Turku University Central Hospital, Turku, Finland; †National Public Health Institute, Turku, Finland; ‡Satakunta Central Hospital, Pori, Finland; §Turku University, Turku, Finland; ¶National Public Health Institute, Helsinki, Finland

Main Article

Table

Yearly number of new cases caused by different methicillin-resistant Staphylococcus aureus (MRSA) strains, Southwest Finland Medical District, 1991–2000

Year Strains

Surgical outbreaka Medical outbreakb Mynamaki
outbreakc MRSA outbreak IVd MRSA outbreak Ve Other outbreaks Familial MRSAf Solitary MRSA Total
1991
11






2
13
1992
19
56



2g

1
78
1993
1
1
13
4

2h
2
4
27
1994






3
2
5
1995
4






3
7
1996
2






7
9
1997






2
6
8
1998





2g

17
19
1999





2g
2
10
14
2000




5
2g
4
11
22
Total 37 57 13 4 5 10 13 63 202

aStrain was recovered from 24 patients at the university hospital,10 patients at a regional hospital, and 3 staff members in these hospitals.

bStrain was recovered from 30 patients and 18 staff members at the university hospital and from 9 patients in other district institutions.

cStrain was recovered from 12 patients and 1 staff member in a health-center ward and associated nursing home (7).

dStrain caused a cluster of four cases in an intensive-care unit of a central hospital.

eStrain caused a cluster of four infected patients and one infected staff member in a health-center ward at the beginning of 2000, but was subsequently eliminated.

fIntrafamilial clusters of two to four MRSA cases in the community.

gMRSA strain was transmitted from one patient to another at the university hospital.

hMRSA strain was transmitted from one patient to another at a regional hospital.

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