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least one antibiotic, and multiple-resistant strains (from three to eight
strains), are greater in the effluent of the retirement home than in the
effluent of the hospital (Tables 2.3).
% of antibiotic-resistant
isolates
a
Number
of strains of
E. coli
tested
Stations
pK (km)
Geom.mean
min-max
Poses
202
113
16.0-50.0
30.2
Rouen
243
77
36.8-39.6
38.2
Le Croisset
246.6
104
24.5-94.7
56.6
La Bouille
260
92
31.0-68.7
49.6
Caudebec
310
94
13.3-58.3
35.7
Tancarville-
Honfleur
337 - 356
174
44.2-60.0
50.1
WWTP Emeraude
247
123
46.1-50.0
48.3
Table 2.4(b).
Proportion of E. coli isolates (%) resistant to at least one antibiotic in
water, along the Seine estuary (January 2006, N = 279) [LAR 09]
% of isolates possessing
an integron
No. of
E. coli
isolated
%
resistant
isolates
a
Kp
(km)
Stations
Total
intI 1
+ 2
intI 1
intI 2
intI 3
Poses
202
16
25.0
6.2
0
0
0
6.2
Rouen
243
58
39.6
8.6
5.2
0
0
13.8
Le Croisset
246.6
22
54.5
9.1
4.5
0
0
13.6
La Bouille
260
35
42.8
2.7
0
0
0
2.7
Caudebec
310
53
45.3
3.8
0
0
0
5.7
Tancarville-
Honfleur
337-
356
95
44.2
14.7
0
1.1
0
15.8
Total
279
43.0
8.9
1.4
0.7
0
11.0
Table 2.4(c).
Occurrence of E. coli strains carrying an integron (intI1, intI2 or intI3)
in water, along the Seine Estuary (January 2006, N = 279) [LAR 09]
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