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in the southwest, “we must be extra vigilant against their spread” – Liberation


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After a first case of infection with the Usutu virus on October 18 and faced with the risk of implantation of viruses transmitted by mosquitoes, health authorities in the southwestern United States are strengthening surveillance and control systems.

Several times a year, Jérémy comes to make a donation to the French blood institute in Bordeaux. He is always questioned about his medical history, his lifestyle, his stays abroad. Nothing unusual so far. “At the end of October, the questionnaire varied slightly. I was asked if I had left Europe in recent months: Africa, South America, Mexico… Then suddenly Biscarrosse. I admit I didn’t expect that! comments the young man, half amused. However, the question is not trivial. On 18 October, a case of arbovirosis – a viral disease transmitted by mosquitoes – was confirmed in Landes in a person who had not left the city in the period prior to the first symptoms. This is the first so-called “indigenous” human case in the region, health authorities confirm.

The dengue virus, carried by the tiger mosquito, has been suspected, as well as the West Nile or West-Nile virus, transmitted by the Culex mosquito, our most common local mosquito. Finally, after the analysis of two samples, the Regional Health Agency (ARS) Nouvelle-Aquitaine announced on Wednesday in a press release that it was an infection with the Usutu virus. This new virus, of African origin, is often not very symptomatic. He can, i



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