TABLE 5.

Antibiotic resistance genes detected at Sabadell

Mo and sample no.	Mean copy no./100 ml (SD)a
	tetO	ampC	ermB	vanA	mecA	blaSHV-5
January
1	0 (0)	0 (0)	1.35 × 105 (2.69 × 104)	0 (0)	5.65 × 104 (1.56 × 103)	0 (0)
2	0 (0)	0 (0)	1.87 × 105 (3.04 × 104)	0 (0)	1.35 × 105 (1.06 × 104)	0 (0)
3	0 (0)	3.85 × 103 (1.34 × 103)	2.28 × 105 (4.95 × 103)	0 (0)	4.40 × 104 (3.61 × 103)	0 (0)
4	0 (0)	0 (0)	1.78 × 104 (1.41 × 103)	0 (0)	1.19 × 105 (9.90 × 103)	1.60 × 102 (2.83 × 101)
5	0 (0)	0 (0)	0 (0)	0 (0)	3.04 × 103 (2.26 × 102)	0 (0)
March
1	7.23 × 105 (3.18 × 105)	0 (0)	9.51 × 104 (1.69 × 104)	0 (0)	0 (0)	4.72 × 103 (2.48 × 103)
2	9.18 × 106 (7.85 × 105)	0 (0)	2.64 × 106 (4.38 × 105)	0 (0)	0 (0)	2.19 × 103 (3.75 × 102)
3	2.62 × 106 (8.49 × 104)	0 (0)	2.03 × 105 (1.48 × 104)	0 (0)	0 (0)	1.07 × 103 (3.75 × 102)
4	6.67 × 105 (8.49 × 104)	0 (0)	1.10 × 105 (8.49 × 103)	0 (0)	0 (0)	1.45 × 103 (3.22 × 102)
5	6.23 × 103 (1.03 × 103)	0 (0)	9.50 × 102 (7.07 × 101)	0 (0)	0 (0)	0 (0)
June
1	2.77 × 106 (1.07 × 106)	6.88 × 103 (5.69 × 103)	2.00 × 104 (8.49 × 102)	0 (0)	0 (0)	1.14 × 104 (0)
2	9.16 × 104 (9.12 × 103)	0 (0)	0 (0)	0 (0)	0 (0)	0 (0)
3	2.83 × 104 (1.05 × 104)	0 (0)	0 (0)	0 (0)	0 (0)	0 (0)
4	4.27 × 103 (7.02 × 102)	0 (0)	0 (0)	0 (0)	0 (0)	0 (0)
5	0 (0)	0 (0)	0 (0)	0 (0)	0 (0)	0 (0)
October
1	1.59 × 106 (3.25 × 105)	0 (0)	0 (0)	0 (0)	0 (0)	0 (0)
2	1.67 × 106 (4.03 × 105)	0 (0)	0 (0)	0 (0)	0 (0)	0 (0)
3	3.22 × 106 (3.32 × 105)	0 (0)	0 (0)	0 (0)	0 (0)	0 (0)
4	2.11 × 104 (4.38 × 103)	0 (0)	0 (0)	0 (0)	0 (0)	0 (0)
5	2.39 × 104 (1.41 × 102)	0 (0)	0 (0)	0 (0)	0 (0)	0 (0)

^aThe given values are the means from two to four measurements, with standard deviations. Sabadell was sampled four times, in January, March, June, and October 2007. The sampling points are described in detail in the text. Also see Fig. S1 in the supplemental material.