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Arboviral diseases such as dengue, Zika and chikungunya transmitted by Aedes mosquitoes have been reported in 34 African countries. Available data indicate that in recent years there have been dengue and chikungunya outbreaks in the West Africa subregion, in countries including Côte d’Ivoire, Burkina Faso, Gabon, Senegal, and Benin. These viral diseases are causing an increased public health burden, which impedes poverty reduction and sustainable development. Aedes surveillance and control capacity, which are key to reducing the prevalence of arboviral infections, need to be strengthened in West Africa, to provide information essential for the formulation of effective vector control strategies and the prediction of arboviral disease outbreaks. In line with these objectives, the West African Aedes Surveillance Network (WAASuN) was created in 2017 at a meeting held in Sierra Leone comprising African scientists working on Aedes mosquitoes. This manuscript describes the proceedings and discusses key highlights of the meeting. Graphical Abstract

Les auteurs rapportent une observation de rupture bilatérale du tendon d'Achille, chez un patient asthmatique sous corticothérapie au long cours. Ils évoquent les différentes étiologies incriminées. Ils discutent le rôle de la corticothérapie dans la genèse de cette rupture et pré-conisent une réparation chirurgicale des tendons. Mots clés : Tendon d'Achille -Rupture spontanée bilatérale -CorticothérapieAbstract: The authors report a case of spontaneous bilateral rupture of the Achilles tendon in a patient with asthma undergoing long-term steroid therapy. They review various aetiologies of the disorder and discuss the effect of steroid therapy on tendon rupture. They advocate surgical repair.

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