The virulence genes (tst1, sea, seb, sec, sed, sef, seg, seh, sei, sej, sek, sel, selm, seln, selo, seq, ser, selu, PVL, lukM, lukD, lukE, sak, chp, scn, etA, etB, etD, edinA, edinB, edinC, arcA-ACME, arcB-ACME, arcC-ACME, arcD-ACME) were detected by the microarrays (StaphyType by Alere Technologies GmbH, Jena, Germany).