Legionnaires’ Disease Outbreak at Town Hall

Written by Health, News

An outbreak of the bacterial Legionnaires’ Disease has recently been detected at Town Hall. There have been four identified cases in the past two days, and all are currently receiving hospital treatment.

The number of cases is considered to be unusually high. Only one case a week or even per month is usually seen. The clusters indicate that the source must be in the main area. All four men had been working in the CBD when they had been exposed.

At present, cooling towers, air-conditioning units and water fountains are being checked for the bacterium Legionella.

The infection zone has been identified as Clarence, Pitt, Park and King Streets. However, individuals should remain wary of Market, Sussex, George and Druitt St as well.


What is it:

Legionnaires’ disease is a bacterial disease from the common bacteria Legionella. It is a common bacteria and is usually found in the environment.It infects the lung and has a 10% fatality rate. Infection is prevented by regular maintenance as air conditioning units, particularly in large buildings, are particularly liable to contamination as the bacteria multiply in water.

Symptoms include:

  • fevers
  • chills
  • coughing
  • short breath
  • upset stomach
  • diarrhoea
  • muscle aches or a headache
  • a loss of appetite

The symptoms take 2 – 7 days to be apparent. If anyone has visited the Town Hall area and is experiencing any of the above symptoms, please visit your local GP to be tested.

Transmissible by: 

The bacterium can be inhaled from contaminated water vapor or dust.


A7E127 Scanning electron micrograph of Legionella pneumophila bacteria which causes Legionnaire s disease rod bacteria

A7E127 Scanning electron micrograph of Legionella pneumonia bacteria which causes Legionnaire s disease rod bacteria


There have been no new cases of Legionnaires’ Disease at the moment. Samples have also been taken from suspected air conditioning cooling towers near the infection zone. The laboratory testings will be available in the next four days.


Last modified: March 11, 2016

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