Seroprevalence of Coxiella burnetii (Q fever) exposure in humans on Reunion Island

Jaubert Julien, Naze Florence, Camuset Guillaume, Larrieu Sophie, Pascalis Hervé, Guernier Vanina, Naty Nadège, Bertolotti Antoine, Manaquin Rodolphe, Mboussou Yoan, Atiana Laura, Picot Sandrine, Filleul Laurent, Tortosa Pablo, Cardinale Eric, Gérardin Patrick. 2019. Seroprevalence of Coxiella burnetii (Q fever) exposure in humans on Reunion Island. Open Forum Infectious Diseases, 6 (7), 4 p.

https://doi.org/10.1093/ofid/ofz227

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Quartile : Q2, Sujet : INFECTIOUS DISEASES / Quartile : Q2, Sujet : MICROBIOLOGY / Quartile : Q2, Sujet : IMMUNOLOGY

Résumé : After the documentation of sporadic cases of Q fever endocarditis, we conducted a serosurvey to assess Coxiella burnetii exposure on Reunion Island. Two hundred forty-one stored frozen human sera were analyzed using an immunofluorescence assay. The weighted seroprevalence of Q fever was of 6.81% (95% confidence interval, 4.02%–9.59%). Despite the absence of infection in youths <20 years of age, exposure was not driven by age or by gender. There was a spatial disparity in exposure across the island, with higher prevalence being reported in regions where ruminant farms are present. The seroprevalence pattern suggests that Q fever is endemic on Reunion Island.

Mots-clés Agrovoc : Coxiella burnetii, fièvre Q, endocardite, enquête sanitaire, immunofluorescence, santé, maladie de l'homme, épidémiologie

Mots-clés géographiques Agrovoc : La Réunion, France

Mots-clés complémentaires : séroprévalence

Mots-clés libres : Coxiella burnetii, General population, Immunofluorescence, Prevalence, Q fever, Serology, Seroepidemiologic study, Serosurvey, Stored frozen serum, Zoonosis

Classification Agris : S50 - Santé humaine

Champ stratégique Cirad : CTS 4 (2019-) - Santé des plantes, des animaux et des écosystèmes

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