Nasal Carriage by Staphylococcus aureus among Healthcare Workers and Students Attending a University Hospital in Southern Brazil: Prevalence, Phenotypic, and Molecular Characteristics

Table 5

Distribution of virulence encoding genes profiles in methicillin-susceptible and methicillin-resistant Staphylococcus aureus isolated from the anterior nares of healthcare workers and students attending the University Hospital of Londrina in southern Brazil.

Virulence marker	Number of isolates
	MSSA n = 99	MRSA n = 40	Total N = 139 (%)
coa, icaA	71	38	109 (78.4)
coa, tst	3	—	3 (2.2)
coa, icaA, tst	16	2	18 (12.9)
coa, icaA, lukS-PV/lukF-PV	8	—	8 (5.8)
coa, icaA, tst, lukS-PV/lukF-PV	1	—	1 (0.7)

coa: coagulase; icaA: intercellular adhesion locus encoding N-acetylglucosaminyltransferase; tst: toxic shock syndrome toxin; lukS-PV and lukF-PV: β-pore-forming Panton-Valentine leukocidin. —: not detected.