From: Molecular characteristics of Staphylococcus aureus strains isolated from nasal samples of sixth year medical students during their pediatric services practices
Sampling time
Culture results (n = 239)
Negative
MSSA
MRSA
Total positivity
First sample
222 (92.9)
17 (7.1)
–
Second sample
187 (78.2)
49 (20.5)
3 (1.3)
52 (21.8)