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Legionellosis incidents associated with spa pools, England, 2002-2018
1National Infection Service, Public Health England, 61 Colindale Avenue, London NW9 5EQ, UK.
Background:
Spa pools (SPs) pose risks of Legionella infection for users and bystanders.
Methods:
We searched the National Enhanced Legionella Surveillance System for reported SP-associated legionellosis incidents in England between 2002 and 2018 involving at least two cases.
Results:
For seven legionellosis SP-associated incidents, six were in commercial settings such as hotels. The median number of cases per outbreak was four (range 2-115).
Conclusion:
SP-associated legionellosis incidents were mainly located in commercial settings with a wider range of cases than those recognised in previous publications, reinforcing the need for effective environmental controls for SPs in a range of settings.
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