14 September 2012 Last updated at 16:07 ET

Legionella bug found at Llandrindod Wells hospital

The bacteria was discovered at Llandrindod Wells Hospital in Powys following concerns over water quality

A hospital's water system has been flushed through after part was found to contain legionella, the bacteria which can cause Legionnaires' disease.

The bug was discovered at Llandrindod Wells Hospital in Powys following concerns over water quality.

Bottled water was used for washing until the water system was cleaned through on Friday.

Powys Teaching Health Board said there had been no reported cases of anyone being affected by the bacterium so far.

Meanwhile, an outbreak of Legionnaires' disease is being investigated in Carmarthen after three people needed treatment. The outbreak is believed to centre on Carmarthen, said Public Health Wales.

LLANDRINDOD WELLS HOSPITAL FACTS

• The community hospital opened in 1881
• It has 30 beds
• It has a recently opened renal dialysis unit
• There is a birthing centre
• A minor injuries unit
• X-ray services and a dental suite
• Source: Powys Teaching Health Board

Health officials said the hospital remained "operational" and that additional measures were taken to reduce exposure and ensure patient safety.

Due to the layout of the hospital, it only affected certain areas of the site.

Dr Sumina Azam, the health board's director of public health, said: "It's important to remember that there have been no reported cases of Legionnaires' disease and that the disease cannot be passed from person to person."

The health board said legionella bacterium had the potential to cause Legionnaires' disease, which starts with flu-like symptoms and could lead to pneumonia.

It added that not everyone who came into contact with the bacteria would be affected.