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How to prevent Legionnaires' disease in drinking water?

2026.03.08

In recent days the media has reported on two infants suffering physical discomfort from the contraction of Legionnaires' disease. Fortunately these two young children were able to return to full health.

First, what is "Legionnaires' disease" ?
(Original News http://news.ltn.com.tw/news/life/paper/800073)

Legionnaires' disease is caused by many different types of " Legionella bacteria "
The main route of transmission and infection is through inhalation, breathing in Legionella through water vapour or droplets;
Symptoms often include: fever, cough, headache, abdominal pain, anorexia, etc., which can lead to pneumonia,

In an infected adult, if not treated in time, it can lead to respiratory failure and death. ; The mortality rate for adults who are infected in 15%.

Very few children are infected and the two babies referred to above are said to the world's youngest reported cases. The Legionella bacteria prefers a water environment, especially a warm environment (25 ° to 45 ° C, although the most suitable temperature is around 35 ° C), therefore, regular cleaning of water towers, open drink machines, drinking fountains and other facilities is very important!

The two babies were infected because the cold water in the water dispenser was contaminated, and they accidentally inhaled the bacteria into their lungs through drinking milk.

So, parents, please pay special attention to the home drinking water system (from the water tower through to water pipes and water purifiers, drinking fountains, etc.) and that they are cleaned.

According to the suggestions on Wikipedia's, legionella can be  eliminated  through the following action:
1. Temperature sterilization: water should be heated to at least 70 ° C and this temperature should be maintained for three minutes.
2. UV sterilization: exposure to ultraviolet light, wavelength 254 nm can make bacteria inactive.
3. membrane technology: There is now more and more use of membranes to remove microorganisms. Particles with a diameter of less than 0.2 micrometers can be generally used to ensure bacteria, and even some viruses, are filtered out.

ALYA water can provide a kitchen heater, with RO machine water purifier, which can block viruses, perform high temperature sterilization, and which can prevent the breeding of Legionella through the variety of UV sterilization water purifiers, ultrafiltration membrane water purifiers that are available. This can help you to protect your health! Now, it’s Fathers’ Day so you can enjoy an excellent discount!

If you have any doubts about the drinking water system at your home, please contact any of the ALYA water purification branches and we will provide you with water quality testing services.

ALYA for YiRui Co., Ltd. set up a water purification brand, 31 years ago adhering to manufacture in Taiwan and focussing on water purification products that effectively filter out sediments in water, to ensure the required minerals for the human body are retained.

The whole product range has 2 years warranty and have won a number of NSF, CE ... and other quality certifications as well as a number of government awards.

 

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