First detection of enteric adenoviruses genotype 41 in recreation spring areas of Taiwan
2017
Shih, Yi-Jia | Tao, Chi-Wei | Tsai, Hsin-Chi | Huang, Wen-Chien | Huang, Tung-Yi | Chen, Jung-Sheng | Chiu, Yi-Chou | Hsu, Tsui-Kang | Hsu, Bing-Mu
Human adenoviruses (HAdVs) are DNA viruses found in recreational water, such as water parks and swimming pools. Human adenovirus 41 (HAdV-41) is the most common serotype detected and is a leading cause of acute diarrheal disease. The focus of this study is to determine the prevalence of HAdVs in hot springs. Of 57 samples collected from four different geological sites, 16 samples have shown evidence of HAdVs (28.1%). HAdV-41 and porcine adenovirus 5 (PAdV-5) were the two types isolated, with a greater frequency of HAdV-41, which in other settings has been associated with acute diarrhea. The highest occurrence was found in private hot tubs/Yuya (37.5%), followed by an outlet of hot springs (30.8%); public pools and foot pools shared the same detection rate of 21.4% (3/14). However, there was no evidence supporting a link between water quality indicators and HAdV detection rate. From a phylogenic analysis and BLAST against the NCBI database, it was concluded that HAdV-41 obtained from hot spring areas are closely related to global environmental genotypes.
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