Tracking Rift Valley fever: From Mali to Europe and other countries, 2016

Tong Christelle, Javelle Emilie, Grard Gilda, Dia Aissata, Lacrosse Constance, Fourié Toscane, Gravier Patrick, Watier-Grillot Stéphanie, Lancelot Renaud, Letourneur Franck, Comby Frédéric, Grau Martin, Cassou Lionel, Meynard Jean-Baptiste, Briolant Sébastien, Leparc-Goffart Isabelle, Pommier de Santi Vincent. 2019. Tracking Rift Valley fever: From Mali to Europe and other countries, 2016. Eurosurveillance, 24 (8):21, 9 p.

Quartile : Q1, Sujet : INFECTIOUS DISEASES

Résumé : On 16 September 2016, the World Health Organization confirmed a Rift Valley fever (RVF) outbreak in Niger. Epidemiological surveillance was reinforced among the French Armed Forces deployed in Niger and bordering countries: Chad, Mali and Burkina Faso. On 26 October, a probable case of RVF was reported in a service member sampled in Mali 3 weeks earlier. At the time the result was reported, the patient was on vacation on Martinique. An epidemiological investigation was conducted to confirm this case and identify other cases. Finally, the case was not confirmed, but three suspected cases of RVF were confirmed using serological and molecular testing. RVF viral RNA was detectable in whole blood for 57 and 67 days after onset of symptoms for two cases, although it was absent from plasma and serum. At the time of diagnosis, these cases had already returned from Mali to Europe. The infectivity of other arboviruses in whole blood has already been highlighted. That RVF virus has been detected in whole blood that long after the onset of symptoms (67 days) raises the question of its potential prolonged infectivity. Because of exposure to tropical infectious diseases during deployment, military populations could import emerging pathogens to Europe.

Mots-clés géographiques Agrovoc : Niger, Tchad, Mali, Burkina Faso

Mots-clés libres : Rift Valley fever, Human infection, Mali

Classification Agris : L73 - Maladies des animaux
S50 - Santé humaine

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

Auteurs et affiliations

• Tong Christelle, French Armed Forces Centre for Epidemiology and Public Health (FRA)
• Javelle Emilie, Laveran Military Teaching Hospital (FRA)
• Grard Gilda, French Armed Forces Centre for Epidemiology and Public Health (FRA)
• Dia Aissata, French Armed Forces Centre for Epidemiology and Public Health (FRA)
• Lacrosse Constance, French Armed Forces Centre for Epidemiology and Public Health (FRA)
• Fourié Toscane, Université Aix-Marseille (FRA)
• Gravier Patrick, Université Aix-Marseille (FRA)
• Watier-Grillot Stéphanie, French Armed Forces Centre for Epidemiology and Public Health (FRA)
• Lancelot Renaud, CIRAD-BIOS-UMR ASTRE (FRA)
• Letourneur Franck, French Military Health Service (FRA)
• Comby Frédéric, French Military Health Service (FRA)
• Grau Martin, French Military Health Service (FRA)
• Cassou Lionel, French Military Health Service (FRA)
• Meynard Jean-Baptiste, French Armed Forces Centre for Epidemiology and Public Health (FRA)
• Briolant Sébastien, Université Aix-Marseille (FRA)
• Leparc-Goffart Isabelle, IRBA (FRA)
• Pommier de Santi Vincent, French Armed Forces Centre for Epidemiology and Public Health (FRA) - auteur correspondant

Source : Cirad-Agritrop (https://agritrop.cirad.fr/591735/)

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