Frequency and seasonality of viable Helicobacter pylori in drinking water in Dhamar Governorate, Yemen.

IF 1.8 Q3 FOOD SCIENCE & TECHNOLOGY Italian Journal of Food Safety Pub Date : 2023-09-06 eCollection Date: 2023-08-02 DOI:10.4081/ijfs.2023.10855
Dhary Alewy Almashhadany, Sara Mohammed Mayas, Jiyan Ali Omar, Thaera A M Muslat
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Abstract

Helicobacter pylori is an important and common bacterial pathogen in humans. The accumulated evidence of the existence of H. pylori in water from different environmental sources suggests a water-borne transmission route. This study aimed to investigate the occurrence of H. pylori in different water sources used by human populations in Dhamar Governorate, Yemen. 250 samples were randomly collected from the municipal water supply network, wells, and springs. The samples were processed, plated onto modified campy-blood agar, and incubated under microaerobic conditions for 4-10 days. Bacterial identification was based on morphological properties and biochemical tests. Bacteriological analysis showed that 9.6% and 13.2% of tap and surface water samples were contaminated with H. pylori, respectively. Despite a higher frequency in samples from rural areas, these were not significantly (p=0.068) more contaminated than the samples from urban areas. Regarding the seasonal variations of H. pylori detection, 85.71% of positive samples were detected in the late winter and spring seasons (February to May). To conclude, H. pylori transmission through water is likely to occur in Dhamar Governorate. Further prospective studies are highly recommended to provide further evidence and a clearer picture of H. pylori transmission.

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也门达马尔省饮用水中活幽门螺杆菌的频率和季节性。
幽门螺杆菌是人类常见的重要细菌病原体。幽门螺杆菌在不同环境来源的水中存在的累积证据表明,幽门螺杆菌是通过水传播的。本研究旨在调查也门达马尔省人类使用的不同水源中幽门螺杆菌的发生情况。从市政供水管网、水井和泉水中随机采集250个样本。对样品进行处理,将其接种在改良的campy血琼脂上,并在微需氧条件下孵育4-10天。细菌鉴定基于形态学特性和生化测试。细菌分析显示,自来水和地表水样本中分别有9.6%和13.2%被幽门螺杆菌污染。尽管农村地区的样本频率较高,但这些样本的污染程度并不比城市地区的样本严重(p=0.068)。关于幽门螺杆菌检测的季节变化,85.71%的阳性样本是在冬末和春季(2月至5月)检测到的。总之,幽门螺杆菌通过水传播很可能发生在达马尔省。强烈建议进行进一步的前瞻性研究,以提供进一步的证据和更清晰的幽门螺杆菌传播情况。
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来源期刊
Italian Journal of Food Safety
Italian Journal of Food Safety FOOD SCIENCE & TECHNOLOGY-
CiteScore
2.50
自引率
0.00%
发文量
37
审稿时长
10 weeks
期刊介绍: The Journal of Food Safety (IJFS) is the official journal of the Italian Association of Veterinary Food Hygienists (AIVI). The Journal addresses veterinary food hygienists, specialists in the food industry and experts offering technical support and advice on food of animal origin. The Journal of Food Safety publishes original research papers concerning food safety and hygiene, animal health, zoonoses and food safety, food safety economics. Reviews, editorials, technical reports, brief notes, conference proceedings, letters to the Editor, book reviews are also welcome. Every article published in the Journal will be peer-reviewed by experts in the field and selected by members of the editorial board. The publication of manuscripts is subject to the approval of the Editor who has knowledge of the field discussed in the manuscript in accordance with the principles of Peer Review; referees will be selected from the Editorial Board or among qualified scientists of the international scientific community. Articles must be written in English and must adhere to the guidelines and details contained in the Instructions to Authors.
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