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cases of Legionnaires’ disease, leading to an increase in thenumber of cases
being recorded. As a result, the overall number of casesmay be increasing,
despite thepossibly improving applicationof risk reductionprocedures and
processes.
Thegraphbelowshows thenumberofcases in theUnitedKingdom from
2000 to 2010. It shows noobvious indications of a trendof reduction in the
numberof casesover that timeperiod.
NumberofCases in theUK in the10YearsFrom2000 to2010
Health andSafetyExecutive –ExaminationofContributoryFactors
to
Legionella
Outbreaks
InSeptember2011,theHealthandSafetyExecutivetaskedtheHealthand
SafetyLaboratory (HSL)with gathering data onoutbreaks of Legionnaires’
disease in Great Britain during the ten years running up to August 2011.
[4]The objective was to identify if there was a range of factors that were
contributing tooutbreaks in theUK.
The report used data from 44 separate outbreaks in the UK in the 10
yearperiodrunningup toAugust2011.Thereasons for theoutbreaks,which
