Epidemiological MRSA clones among patients with bloodstream infection.

Clone, ST-SCCmec; ST, sequence type by multi-locus sequence typing; SCCmec, Staphylococcal cassette chromosome mec; spa, Staphylococcus protein A gene; agr, accessory gene regulator; NT, not-typeable.
P, penicillin (10 units); OX, oxacillin (1 μg); CX, cefoxitin (30 μg); CN, gentamicin (10 μg); TOB, tobramycin (10 μg); E, erythromycin (15 μg); CC, clindamycin (2 μg); SXT, sulfamethoxazole/trimethoprim (25 μg); RA, rifampicin (5 μg); LZD, linezolid (30 μg); MUP, mupirocin (5 μg); FD, fusidic acid (10 μg).
sea-see and seg-sej, gene encoding staphylococcal enterotoxins SEA-SEE and SEG-SEJ; eta and etb, gene encoding exfoliative toxin A and B; tst, gene encoding toxic shock syndrome toxin 1; pvl, gene encoding Panton-Valentine leukocidin; none, no detection of above toxin genes.