生物性污染问题在当今社会愈发受到关注，其中，军团菌引发的军团病就是一个不可小觑的生物性污染典型案例。军团病是一种较为普遍的疾病，由军团菌产生的病菌所致。在众多可能存在军团菌的环境中，使用中的冷却塔是一个“重灾区”，其内部出现军团菌的机率非常大。一项对100个样本的研究结果令人震惊，超过半数的冷却塔中都检测到了军团菌的存在。

The issue of biological contamination has drawn increasing attention in today's society. Among them, Legionnaires' disease caused by Legionella is a typical case of biological contamination that should not be underestimated. Legionnaires' disease is a relatively common illness caused by the bacteria produced by Legionella. Among the many environments where Legionella bacteria may exist, cooling towers in use are a "hotspot", with a very high probability of Legionella bacteria appearing inside them. The results of a study involving 100 samples are shocking. Legionella was detected in more than half of the cooling towers.

大多数权威机构已经证实，通过冷却塔是人类感染军团细菌的一种主要途径。这背后有着复杂的原因。冷却水中的污染物很可能诱发军团菌的生长，在20℃ - 55℃这个适宜的温度区间内，该病菌的繁殖速度出奇地快。而且，溶解于水的有机原料可以为细菌和原生物提供丰富的养料，进一步促进了军团菌在冷却塔环境中的滋生与繁衍。

Most authoritative institutions have confirmed that cooling towers are a major way for humans to be infected with Legionella bacteria. There are complex reasons behind this. Pollutants in the cooling water are very likely to induce the growth of Legionella. Within the suitable temperature range of 20℃ to 55℃, the reproduction rate of this pathogen is surprisingly fast. Moreover, the organic raw materials dissolved in water can provide rich nutrients for bacteria and protozoa, further promoting the growth and reproduction of Legionella in the cooling tower environment.

面对军团菌带来的潜在威胁，我们必须采取有效的预防措施。避免细菌产生，最好的办法就是尽量保持冷却塔内部环境的干净，有效防止沉积污物的生成。高速全自动砂滤系统、离心分离集水盘清洗系统再结合全自动加药系统就是一种实用的手段，它可以用来减少悬浮物的数量，从而降低军团菌滋生的可能性。

In the face of the potential threat posed by Legionella, we must take effective preventive measures. The best way to prevent the growth of bacteria is to keep the internal environment of the cooling tower as clean as possible and effectively prevent the formation of accumulated dirt. A high-speed fully automatic sand filtration system, a centrifugal separation water collection tray cleaning system combined with a fully automatic dosing system is a practical approach. It can be used to reduce the amount of suspended solids, thereby lowering the possibility of Legionella breeding.

军团菌感染所带来的后果十分严重。根据2007年世界卫生组织（WHO）指南，如果免疫系统有问题的人群被军团菌所感染，通常此类疾病导致的死亡率高达15%。这是一个相当高的比例，意味着每100个感染的免疫问题人群中，就可能有15人失去生命。而且，任何一次军团病菌的爆发都会促使建筑和工厂的拥有者花费巨资提高设备设施的清洁度。这不仅是经济上的巨大负担，也反映出军团菌问题一旦爆发，处理起来的难度和成本之高。

The consequences of Legionella infection are extremely serious. According to the 2007 World Health Organization (WHO) guidelines, if people with immune system problems are infected with Legionella, the mortality rate caused by such diseases is usually as high as 15%. This is a rather high proportion, meaning that among every 100 infected people with immune problems, there could be 15 who lose their lives. Moreover, any outbreak of Legionella bacteria will prompt the owners of buildings and factories to spend huge sums of money to improve the cleanliness of their equipment and facilities. This is not only a huge economic burden, but also reflects the high difficulty and cost of dealing with Legionella once the problem breaks out.

军团菌的问题应该引起我们高度警惕并加以严格预防。无论是个人、企业还是相关部门，都应该重视生物性污染中的军团菌问题，加强对冷却塔等易滋生军团菌场所的管理和维护，采取科学有效的预防措施，以保障公众的健康和安全，避免因军团菌感染带来的严重后果和巨大损失。

The problem of Legionella should arouse our high vigilance and be strictly prevented. Whether it is individuals, enterprises or relevant departments, they should all attach great importance to the issue of Legionella in biological pollution, strengthen the management and maintenance of places prone to Legionella breeding such as cooling towers, and take scientific and effective preventive measures to ensure public health and safety and avoid serious consequences and huge losses caused by Legionella infection.