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Adenovirus showed greater variability across locations, with much higher median concentrations in CSO samples than other water types. Given the fact that we tested only human adenovirus type F, the total human adenovirus genomic copies might be higher in these samples if tested for other human adenoviruses. In this study, adenovirus was more likely to be detected in samples from the effluent-dominated CAWS compared with the other area surface waters http://www.selleckchem.com/products/PD-0325901.html (odds ratio 6��1; 95% confidence interval 2��3�C15��7); an association between enterovirus and effluent-dominated water was not observed (P?=?0��9). The ranked order adenovirus qPCR results were greater at CAWS locations compared with the other locations (Wilcoxon 2-sided P? http://www.selleck.cn/products/JNJ-26481585.html three were positive for enteroviruses but no sample contained detectable norovirus. The one final effluent sample analysed was positive for all three viruses. The highest average adenovirus and enterovirus concentrations were observed in the CSO samples (Table?3). Thirteen samples with the highest concentrations of adenoviruses and/or enteroviruses as determined by qPCR were selected for infectivity analysis. Nine of the thirteen samples were from sites that were used for limited-contact, two for full-contact recreation and two samples were from the CSO pumping station. Culturable viruses were detected in all thirteen samples and were positive on both BGM and A549 cell lines. The infectious virus numbers ranged from 0��12 to 33?MPN per l using BGM cells and 0��11�C26?MPN per l using A549 cells (Fig.?3). Average virus concentration in limited-contact recreational waters as determined by cell culture using BGM cells and A549 cells was 5��5 and http://www.selleckchem.com/products/epz-6438.html 7��6?MPN per l, respectively. For bathing beaches, average virus concentration as determined by cell culture using BGM cells and A549 cells was 8��8 and 2��5?MPN per l, respectively. The log10-transformed infectivity results for A549 and BGM cell lines were correlated with one another, reaching borderline statistical significance (Pearson r?=?0��59, P?=?0��07), despite the small number (n?=?11) of surface water samples that were tested using cell culture. The BGM cell line displayed lower infectivity for viruses in samples collected from the CAWS when compared with other surface waters (t-test of log-transformed values P?=?0��06). The A549 cell line resulted in comparable measures of infectivity on CAWS and other waters (P?=?0��9).