1.LEGIONELLA & ASHRAESTANDARD 188WWW. AM I ENVI RO NM ENTAL. CO M

2. BIO AMI Environmental AMI Environmental is a full-service environmental consulting and remediation firm, specializing in facility-based environmental problems affecting facility operations, renovation and demolition activities. Established in 1986 and headquartered in Omaha, Nebraska, AMI services clients nationally and internationally. Jamie Hilger Industrial Hygiene ProfessionalA.S Liberal/Health Sciences (2008) B.S. Environmental Studies University of Nebraska (2011) Member American Society for Healthcare Engineering ASHE Infection Control Training (2012)WWW. AM I ENVI RO NM ENTAL. CO M 3. OBJECTIVES Introduction Legionella ASHRAE Standard 188P Summary Q&AWWW. AM I ENVI RO NM ENTAL. CO M 4. WHAT IS LEGIONELLA? Pathogenic gram negative bacterium common in many environments Primarily warm water environments Approx. 50 species 70 serogroups Include species that cause LegionellosisWWW. AM I ENVI RO NM ENTAL. CO M 5. LEGIONELLOSIS Legionellosis: any illness caused by exposure to legionellae. Legionnaires disease and Pontiac fever most common types. Legionnaires disease: multisystem illness including deadly type of pneumonia. Pontiac fever: flulike illness, without pneumoniaWWW. AM I ENVI RO NM ENTAL. CO M 6. LEGIONELLOSIS (CONT.) 80 - 90% of all cases of legionellosis are caused by a single species: Legionella pneumophila 65 70% serotype 1 One of the top three causes of community- acquired pneumonia Transmission is not person to personWWW. AM I ENVI RO NM ENTAL. CO M 7. DISCOVERY OF LEGIONELLA July 1976 American Legion Convention Bellevue Stratford Hotel in Philadelphia 221 fell ill, 34 died 1965 St. Elizabeth Hospital 81 patients developed pneumonia,14 died Frozen specimens confirm Legionella 12 yrs laterWWW. AM I ENVI RO NM ENTAL. CO M 8. LEGIONELLOSIS (CONT.) 8,000 18,000 US (cases/year) Death rate: 5 30% Many infections are not diagnosed or reportedWWW. AM I ENVI RO NM ENTAL. CO M 9. LEGIONELLOSIS (CONT.) Risk Factors Age Highest risk in elderly >65 Not common in people