Legionellosis

01. Reporting Requirements. Each case of legionellosis must be reported to the Department or Health District within three (3) working days of identification. (3-17-22) 02. Investigation. Each reported case of legionellosis must be investigated to confirm the diagnosi s and identify possible sources of the infection. When two (2) or more cases occur within thirty (30) days of each other, an investigation must be conducted to identify a common environmental source and identify ways to prevent further infections. (3-17-22) 391. -- 399. (RESERVED)