RESUMEN
During the summer of 2014, all the pre-requisites for autochthonous transmission of chikungunya virus are present in southern France: a competent vector, Aedes albopictus, and a large number of travellers returning from the French Caribbean islands where an outbreak is occurring. We describe the system implemented for the surveillance of chikungunya and dengue in mainland France. From 2 May to 4 July 2014, there were 126 laboratory-confirmed imported chikungunya cases in mainland France.
Asunto(s)
Infecciones por Alphavirus/epidemiología , Dengue/epidemiología , Vigilancia de Guardia , Viaje , Aedes/virología , Infecciones por Alphavirus/transmisión , Animales , Fiebre Chikungunya , Virus Chikungunya , Dengue/transmisión , Brotes de Enfermedades , Francia/epidemiología , Humanos , Insectos Vectores , Notificación ObligatoriaRESUMEN
In September 2010, two cases of autochthonous dengue fever were diagnosed in metropolitan France for the first time. The cases occurring in Nice, southeast France, where Aedes albopictus is established, are evidence of dengue virus circulation in this area. This local transmission of dengue calls for further enhanced surveillance, active case finding and vector control measures to reduce the spread of the virus and the risk of an epidemic.
Asunto(s)
Antígenos Virales/sangre , Virus del Dengue/aislamiento & purificación , Dengue/diagnóstico , Adolescente , Dengue/transmisión , Virus del Dengue/genética , Virus del Dengue/inmunología , Ensayo de Inmunoadsorción Enzimática , Francia , Humanos , Inmunoglobulina G/sangre , Inmunoglobulina M/sangre , Masculino , Persona de Mediana Edad , Tipificación Molecular , Vigilancia de la Población , Reacción en Cadena de la Polimerasa de Transcriptasa Inversa , Población UrbanaRESUMEN
An estimation of the number of Trypanosoma cruzi infected individuals and expected number of Chagasic cardiomyopathies in France (excluding French Guyana) was conducted in June, 2009 by InVS. Different risk groups were identified: Latino-Americans (LA) from endemic area (naturalized, legal and illegal migrants, adopted children), children born from LA's mother, French Guyanese living in Metropolitan France, expatriated and travellers from endemic countries. Prevalence rates by country of origin were applied to official data on risk populations obtained from the International Adoption Agency, Tourism Direction and French ministries (Finances, Foreign Affairs and Migrations). Around 157,000 individuals were potentially exposed. It is estimated than 1,464 [895-2,619] are infected by T. cruzi, of which 63 to 555 may evolve towards a chronic cardiomyopathy. This figure is within the range of earlier estimations of InVS and Guerri-Guttenberg. Taking into account illegal immigrants, the expected number of infected individuals in France should increase greatly this estimation.