Research Article
Detection of Helicobacter pylori in City Water, Dental Units' Water, and Bottled Mineral Water in Isfahan, Iran
Table 1
Frequency of Helicobacter pylori detected in different water samples in Iran by PCR.
| Water sample | No. of samples | No. of H. pylori-positive by culture* | No. of H. pylori-positive by PCR |
| Tap water | 50 | 2 (4.0%) | 5 (10.0%) | Dental units' water | 35 | 2 (5.8%) | 4 (11.4%) | Bottled mineral water | 20 | 0 | 0 | Refrigerated water with filtration | 30 | 0 | 1 (3.3%) | Tape water equipped with filtration system | 25 | 0 | 0 | Water cooler in public places | 40 | 1 (2.5%) | 4 (10.0%) |
| Total | 200 | 5 (2.5 %) | 14 (7.0%) |
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Results expressed as the number of H. pylori-positive samples (percent positive samples analyzed).
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