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Legionnaire's Disease

Volume 87: debated on Tuesday 26 November 1985

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asked the Secretary of State for Social Services what studies his Department has undertaken, in the light of recent outbreaks of Legionnaire's disease, into the efficacy of biocides as a means of eliminating Legionella bacteria in water cooling systems.

None.Reports on the investigation of the recent outbreaks of the disease in Stafford and Scotland have not yet been completed. I am advised that none of the reported outbreaks of the disease world wide has been associated with a water cooling system that has received regular conventional treatment with chlorine. However, my Department's officials are looking at the possibilities for developing a protocol for manufacturers on the in vitro testing of biocides.