Abstract:
:A Q fever outbreak was declared in February 2016 in a company that manufactures hoists and chains and therefore with no apparent occupational-associated risk. Coxiella burnetii infection was diagnosed by serology in eight of the 29 workers of the company; seven of them had fever or flu-like signs and five had pneumonia, one requiring hospitalisation. A further case of C. burnetii pneumonia was diagnosed in a local resident. Real-time PCR (RTi-PCR) showed a widespread distribution of C. burnetii DNA in dust samples collected from the plant facilities, thus confirming the exposure of workers to the infection inside the factory. Epidemiological investigations identified a goat flock with high C. burnetii seroprevalence and active shedding which was owned and managed by one of the workers of the company as possible source of infection. Genotyping by multispacer sequence typing (MST) and a 10-loci single-nucleotide polymorphism (SNP) discrimination using RTi-PCR identified the same genotype (MST18 and SNP type 8, respectively) in the farm and the factory. These results confirmed the link between the goat farm and the outbreak and allowed the identification of the source of infection. The circumstances and possible vehicles for the bacteria entering the factory are discussed.
journal_name
Epidemiol Infectjournal_title
Epidemiology and infectionauthors
Hurtado A,Alonso E,Aspiritxaga I,López Etxaniz I,Ocabo B,Barandika JF,Fernández-Ortiz DE Murúa JI,Urbaneja F,Álvarez-Alonso R,Jado I,García-Pérez ALdoi
10.1017/S0950268817000796subject
Has Abstractpub_date
2017-07-01 00:00:00pages
1834-1842issue
9eissn
0950-2688issn
1469-4409pii
S0950268817000796journal_volume
145pub_type
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