TABLE 2.

Sources of the clinical isolates of S. aureus used to test the ubiquity of the S. aureus PCR assay

Source	No. of strains positive by PCR/no. of strains tested
1. Microbiology Laboratory of CHUL	80/80
2. Laboratoire de Santé Publique du Québec	50/50
3. Microbiology Laboratory of Laval Hospital	24/24
4. Microbiology Laboratory of the Shanghai Hospital	21/21
5. ATCC	8/8
6. Microbiology Laboratory of the Mount Sinai Hospital	5/5
7. Centers for Disease Control and Prevention	4/4
8. Institut Pasteur	2/2
9. Universidad de Buenos Aires	1/1
Total	195/195