Research Breakthrough in fighting Legionnaires’ disease

Eurekalert

A new study of domestic and hospital drinking water systems found Legionella in 41% of samples – with Flinders University researchers making a key connection between the pathogen’s co-existence with a ‘host’ microorganism in all samples tested.

The study found Legionella bacteria “infect the amoeba host and then once inside these hosts are protected from disinfection strategies,” says Flinders University Associate Professor of Environmental Health Harriet Whiley, a co-author of the new journal article in Water Research.

Researchers tested for Legionella and its likely amoebae hosts in 140 samples of water or biofilm (the slime found on showerheads and end of faucets) to understand how the potentially dangerous bacterium colonises and proliferates in both domestic and hospital plumbing and poses a threat to human health.

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