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English definition of “legionnaires' disease”

legionnaires' disease

noun [S]     /liː.dʒənˈeəz.dɪˌziːz/ US  /-erz-/
a serious and infectious disease of the lungs caused by bacteria in the air Respiratory disorders
(Definition of legionnaires' disease noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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