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首页> 外文期刊>Eastern Mediterranean Health Journal: Al-Magallat al-Sihhiyyat li-Sarq al-Mutawassit >First study in Qatar to reveal high Legionella counts in cooling towers
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First study in Qatar to reveal high Legionella counts in cooling towers

机译：卡塔尔的首次研究揭示了冷却塔中军团菌的数量

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摘要

Legionella spp. is transmitted from water to humans by aerosol-generating devices, including coolingtowers (CTs). There have not been published reports about Legionella in these systems in Qatar. Ten CTs in QatarUniversity were sampled on a monthly basis. Bacteria were recovered from 90 water samples by filtration andconcentration. Legionella DNA copy number (CN) was assessed by quantitative RT-PCR. Legionella DNA wasdetected in 100% of the samples. The bacterial counts ranged from 0.006 to 199.56 CFU/mL, and critical countswere found in 51 (56.7 %) samples. Moreover, 7 (7.8%) samples showed a count of more than 100 CFU/mL. Thehighest counts were found in the months of May and June. These results suggest that this organism is found in highnumber in tested CTs, presenting a potential health risk to the local population.
机译：军团菌属是通过气溶胶产生装置（包括冷却塔（CT））从水传播到人类的。在卡塔尔的这些系统中尚未有有关军团菌的报道。卡塔尔大学每月抽取十个CT。通过过滤和浓缩从90个水样中回收细菌。军团菌DNA拷贝数（CN）通过定量RT-PCR进行评估。在100％的样品中检测到军团菌DNA。细菌计数范围为0.006至199.56 CFU / mL，并且在51个样品（56.7％）中发现了临界计数。此外，有7个（7.8％）样品的计数超过100 CFU / mL。在5月和6月发现了最高的数量。这些结果表明，在经过测试的CT中大量发现了这种生物，这给当地居民带来了潜在的健康风险。

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