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Volume 8, Number 6—June 2002

Research

Community-Acquired Methicillin-Resistant Staphylococcus aureus, Finland

Saara Salmenlinna*Comments to Author , Outi Lyytikäinen*, and Jaana Vuopio-Varkila*
Author affiliations: *National Public Health Institute, Helsinki, Finland;

Main Article

Table 2

Methicillin-resistant Staphylococcus aureus (MRSA) strains found in >10 persons in relation to contact with a health-care facility, 1997–1999, Finlanda

Strain type Persons with hospital contact (%) Persons without hospital contact (%) Total Multiresistanceb HVR type Yr first identified in Finland
Mikkeli clone (O11, E12) 75 (65) 41 (35) 116 No A 1993
E1 50 (98) 1 (2) 51 Yes D 1992
E24 49 (98) 1 (2) 50 Yes C 1998
E5 (UK EMRSA 16) 36 (100) 0 (0) 36 Yes C 1995
Kemi clone 25 (71) 10 (29) 35 No A 1996
E27 17 (65) 9 (35) 26 No A 1997
E31 6 (38) 10 (63) 16 No A 1997
E22 7 (47) 8 (53) 15 No A 1997
UK EMRSA-15 13 (93) 1 (7) 14 No A 1997
E19 13 (100) 0 (0) 13 Yes C 1997
Pori clone (O15) 8 (62) 5 (38) 13 No A 1993
E20 12 (100) 0 (0) 12 Yes C 1998
Iberian clone (E6, E7, E10, O8) 11 (92) 1 (8) 12 Yes B 1991
O25 12 (100) 0 (0) 12 Yes B 1997

aHVR, hypervariable region; E, epidemic, strain isolated in more than one health-care facility; O, outbreak, strain isolated in one health-care institute.
bResistance to more than three antibiotic groups in addition to β-lactams.

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