OBJECTIVE To investigate the distribution of 6drug resistance genes and 4virulence genes in a group of31methicillin-resistant Staphylococcus aureus(MRSA)isolates and analyze the positive rates and positive modes.METHODS From Jan 2011 to Dec 2011,totally 31 strains of S.aureus were isolated from clinical specimens obtained from the hosptialized patients from two three-A hospitals in Jiangyin of Jiangsu province and Ningbo of Zhejiang province,then the 6drug resistance genes,including mecA,aac(6′)/aph(2″),aph...