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An outbreak of travel-associated Legionnaires disease and Pontiac fever: the need for enhanced surveillance of travel-associated legionellosis in the United States.
J Infect Dis. 2002 Jan 15; 185(2):237-43.JI

Abstract

Travel-associated outbreaks of legionnaires disease (LD) and combined outbreaks of LD and Pontiac fever (PF) are rarely identified. During one travel-associated combined outbreak at a hotel, a cohort study of potentially exposed persons and an environmental investigation were performed. Two LD and 22 PF cases were identified. Legionella pneumophila serogroup 6 (Lp6) isolates from the index patient and the hotel whirlpool spa were found to be identical by amplified fragment-length polymorphism typing. Disease occurred in 10 of 26 guests who were exposed to the spa versus 2 of 29 guests who were exposed only to the pool area (38% vs. 7%; P=.005). Immunoglobulin M (IgM) antibody to the outbreak Lp6 strain was more common among persons with PF (4 of 9) than among non-ill persons (2 of 32) (44% vs. 6%; P=.02). Spa exposure correlated with disease (P=.001) and IgM seropositivity (P=.007). New laboratory techniques facilitate outbreak investigation; to expedite outbreak interruption and measure the impact of travel-associated legionellosis, surveillance must be improved.

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Authors+Show Affiliations

Benin AL
Epidemic Intelligence Service, National Center for Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA 30333, USA.
Benson RF
No affiliation info available
Arnold KE
No affiliation info available
Fiore AE
No affiliation info available
Cook PG
No affiliation info available
Williams LK
No affiliation info available
Fields B
No affiliation info available
Besser RE
No affiliation info available

MeSH

AdolescentAdultAgedChildChild, PreschoolCohort StudiesDisease OutbreaksFemaleHumansLegionella pneumophilaLegionnaires' DiseaseMaleMiddle AgedTravelUnited StatesWater Microbiology

Pub Type(s)

Journal Article
Research Support, U.S. Gov't, P.H.S.

Language

eng

PubMed ID

11807698

Citation

Benin, Andrea L., et al. "An Outbreak of Travel-associated Legionnaires Disease and Pontiac Fever: the Need for Enhanced Surveillance of Travel-associated Legionellosis in the United States." The Journal of Infectious Diseases, vol. 185, no. 2, 2002, pp. 237-43.
Benin AL, Benson RF, Arnold KE, et al. An outbreak of travel-associated Legionnaires disease and Pontiac fever: the need for enhanced surveillance of travel-associated legionellosis in the United States. J Infect Dis. 2002;185(2):237-43.
Benin, A. L., Benson, R. F., Arnold, K. E., Fiore, A. E., Cook, P. G., Williams, L. K., Fields, B., & Besser, R. E. (2002). An outbreak of travel-associated Legionnaires disease and Pontiac fever: the need for enhanced surveillance of travel-associated legionellosis in the United States. The Journal of Infectious Diseases, 185(2), 237-43.
Benin AL, et al. An Outbreak of Travel-associated Legionnaires Disease and Pontiac Fever: the Need for Enhanced Surveillance of Travel-associated Legionellosis in the United States. J Infect Dis. 2002 Jan 15;185(2):237-43. PubMed PMID: 11807698.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - An outbreak of travel-associated Legionnaires disease and Pontiac fever: the need for enhanced surveillance of travel-associated legionellosis in the United States. AU - Benin,Andrea L, AU - Benson,Robert F, AU - Arnold,Kathryn E, AU - Fiore,Anthony E, AU - Cook,Patricia G, AU - Williams,L Keoki, AU - Fields,Barry, AU - Besser,Richard E, Y1 - 2001/12/18/ PY - 2001/05/24/received PY - 2001/08/14/revised PY - 2002/1/25/pubmed PY - 2002/2/8/medline PY - 2002/1/25/entrez SP - 237 EP - 43 JF - The Journal of infectious diseases JO - J Infect Dis VL - 185 IS - 2 N2 - Travel-associated outbreaks of legionnaires disease (LD) and combined outbreaks of LD and Pontiac fever (PF) are rarely identified. During one travel-associated combined outbreak at a hotel, a cohort study of potentially exposed persons and an environmental investigation were performed. Two LD and 22 PF cases were identified. Legionella pneumophila serogroup 6 (Lp6) isolates from the index patient and the hotel whirlpool spa were found to be identical by amplified fragment-length polymorphism typing. Disease occurred in 10 of 26 guests who were exposed to the spa versus 2 of 29 guests who were exposed only to the pool area (38% vs. 7%; P=.005). Immunoglobulin M (IgM) antibody to the outbreak Lp6 strain was more common among persons with PF (4 of 9) than among non-ill persons (2 of 32) (44% vs. 6%; P=.02). Spa exposure correlated with disease (P=.001) and IgM seropositivity (P=.007). New laboratory techniques facilitate outbreak investigation; to expedite outbreak interruption and measure the impact of travel-associated legionellosis, surveillance must be improved. SN - 0022-1899 UR - https://www.unboundmedicine.com/medline/citation/11807698/An_outbreak_of_travel_associated_Legionnaires_disease_and_Pontiac_fever:_the_need_for_enhanced_surveillance_of_travel_associated_legionellosis_in_the_United_States_ L2 - https://academic.oup.com/jid/article-lookup/doi/10.1086/338060 DB - PRIME DP - Unbound Medicine ER -