Populations at risk for alveolar echinococcosis, France

Martine Piarroux 1 Renaud Piarroux 2 Jenny Knapp 3 Karine Bardonnet 4 Jérôme Dumortier 5 Jérôme Watelet 6 Alain Gerard 7 Jean Beytout 8 Armand Abergel 9 Solange Bresson-Hadni 3 Jean Gaudart 1, * Francechino Surveillance Network 3
* Corresponding author
1 SESSTIM - U912 INSERM - Aix Marseille Univ - IRD - Sciences Economiques et Sociales de la Santé & Traitement de l'Information Médicale
2 IP-TPT - Infections Parasitaires : Transmission, Physiopathologie et Thérapeutiques
3 LCE - Laboratoire Chrono-environnement - UFC (UMR 6249)
4 Hôpital Jean Minjoz
5 service d'Hépato-gastro-entérologie
6 Service d'Hépato-gastro-entérologie [CHRU Nancy]
7 I2M - Institut de Mécanique et d'Ingénierie de Bordeaux
8 Service des Maladies Infectieuses et Tropicales, Hôpital Gabriel Montpied, Clermont-Ferrand, France,
9 Service d'hépatologie
Abstract : During 1982-2007, alveolar echinococcosis (AE) was diagnosed in 407 patients in France, a country previously known to register half of all European patients. To better define high-risk groups in France, we conducted a national registry-based study to identify areas where persons were at risk and spatial clusters of cases. We interviewed 180 AE patients about their way of life and compared responses to those of 517 controls. We found that almost all AE patients lived in 22 départements in eastern and central France (relative risk 78.63, 95% CI 52.84-117.02). Classification and regression tree analysis showed that the main risk factor was living in AE-endemic areas. There, most at-risk populations lived in rural settings (odds ratio [OR] 66.67, 95% CI 6.21-464.51 for farmers and OR 6.98, 95% CI 2.88-18.25 for other persons) or gardened in nonrural settings (OR 4.30, 95% CI 1.82-10.91). These findings can help sensitization campaigns focus on specific groups.
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CNRS | UNIV-FCOMTE | CHRONO-ENVIRONNEMENT | UNIV-AMU | IRD | SSA | INRA | U1252 | I2M-BX | UNIV-HESAM

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Martine Piarroux, Renaud Piarroux, Jenny Knapp, Karine Bardonnet, Jérôme Dumortier, et al.. Populations at risk for alveolar echinococcosis, France. Emerging Infectious Diseases, Centers for Disease Control and Prevention, 2013, 19 (5), pp.721-728. ⟨10.3201/eid1905.120867⟩. ⟨hal-00878761⟩

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