Table 1. Prevalence of MRSA and MSSA isolates in beef cattle farms, slaughterhouses and retail markets in Korea

	Positivity of S. aureus (No. of S. aureus positive/ no. of samples, %)Provinces					Total
	Gyeonggi	Gangwon	Chungcheong	Jeolla	Gyeongsang
MRSA	0/290	3/151 (2.0)	0/215	0/403	2/226 (0.9)	5/1,285 (0.4)
Cattle farms	0/190	3/86 (3.5)	0/143	0/220	1/156 (0.6)	4/795 (0.5)
Slaughterhouses	0/63	0/43	0/43	0/126	1/43 (2.3)	1/318 (0.3)
Retail markets	0/37	0/22	0/29	0/57	0/27	0/172
MSSA	4/290 (1.4)	0/151	1/215 (0.5)	4/403 (1.0)	2/226 (0.9)	11/1,285 (0.9)
Cattle farms	1/190 (0.5)	0/86	0/143	1/220 (0.5)	2/156 (1.3)	4/795 (0.5)
Slaughterhouses	1/63 (1.7)	0/43	1/43 (2.3)	1/126 (0.8)	0/43	3/318 (0.9)
Retail markets	2/37 (5.4)	0/22	0/29	2/57 (3.5)	0/27	4/172 (2.3)

MRSA, methicillin-resistant Staphylococcus aureus; MSSA, methicillin-susceptible Staphylococcus aureus.