TOC Summary: The source was untreated spring water in the machine’s water tank

Bates

Boshuizen

Chien

Cordes

Coscollá

Falco

Fernando González-Candelas

Fraser

Gaia

Garcia-Fulgueiras

Glockner

Guindon

Hlady

Hussong

Isabel Escribano

José Fenollar

Keller

Lindsay

Macfarlane

Marston

McDade

Mireia Coscollá

O’Loughlin

Piso

Posada

Ratzow

Schoonmaker

Schurmann

Sopena

Staden

Thompson

Torres

English

PubMed

From 1999 through 2005 in Alcoi, Spain, incidence of legionellosis was continually high. Over the next 4 years, incidence was lower, but an increase in July 2009 led health authorities to declare an epidemic outbreak. A molecular epidemiology investigation showed that the allelic profiles for all Legionella pneumophila samples from the 2009 outbreak patients were the same, thus pointing to a common genetic origin for their infections, and that they were identical to that of the organism that had caused the previous outbreaks. Spatial-temporal and sequence-based typing analyses indicated a milling machine used in street asphalt repaving and its water tank as the most likely sources. As opposed to other machines used for street cleaning, the responsible milling machine used water from a natural spring. When the operation of this machine was prohibited and cleaning measures were adopted, infections ceased

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Emerging Infectious Diseases

Legionellosis Outbreak Associated with Asphalt Paving Machine, Spain, 2009

Crossref

From 1999 through 2005 in Alcoi, Spain, incidence of legionellosis was continually high. Over the next 4 years, incidence was lower, but an increase in July 2009 led health authorities to declare an epidemic outbreak. A molecular epidemiology investigation showed that the allelic profiles for all Legionella pneumophila samples from the 2009 outbreak patients were the same, thus pointing to a common genetic origin for their infections, and that they were identical to that of the organism that had caused the previous outbreaks. Spatial-temporal and sequence-based typing analyses indicated a milling machine used in street asphalt repaving and its water tank as the most likely sources. As opposed to other machines used for street cleaning, the responsible milling machine used water from a natural spring. When the operation of this machine was prohibited and cleaning measures were adopted, infections ceased.This research was supported by DGSP-Conselleria de Sanitat de la Generalitat Valenciana (Spain) and projects BFU2008-03000 from Ministerio de Ciencia e Innovación and ACOMP/2009/240 and ACOMP/2010/148 from Conselleria d’Educació (Generalitat Valenciana).Peer Reviewe

Coscollá, Mireia

Fenollar, José

Escribano, M. Isabel

González-Candelas, Fernando

Digital.CSIC

Legionellosis outbreak associated with asphalt paving machine, Spain, 2009

Comparative study of the clinical presentation of Legionella pneumonia and other community-acquired pneumonias.

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Incidence of community-acquired pneumonia requiring hospitalization. Results of a population-based active surveillance study in Ohio. The Community-Based Pneumonia Incidence Study Group. Arch Intern Med.

Legionella pneumophila. A cause of severe community-acquired pneumonia.

Legionnaires’ disease: description of an epidemic of pneumonia.

Legionnaires’ disease: isolation of a bacterium and demonstration of its role in other respiratory disease.

Microbial etiology of acute pneumonia in hospitalized patients.

https://hispana.mcu.es/es/registros/registro.do?tipoRegistro=MTD&idBib=17675179

Legionellosis Outbreak Associated with Asphalt Paving Machine, Spain, 2009

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Digital.CSIC