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By NewsDesk  @infectiousdiseasenews

Health officials in France have reported two locally-transmitted dengue fever cases from two departments in the past week.

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In Alpes-Maritimes department in southeast France, officials reported (computer translated) a case in Vallauris. The individual had no recent travel history and has since recovered.

A few days later, The Préfecture of the Auvergne-Rhône-Alpes region reported (computer translated) a case in an individual from Caluire-et-Cuire who had not made a recent trip abroad. This patient has also recovered.

This is the first autochthonous dengue fever case in the Rhône department.

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According to the World Health Organization, the incidence of dengue has grown dramatically around the world in recent decades. A vast majority of cases are asymptomatic and hence the actual numbers of dengue cases are underreported and many cases are misclassified. One estimate indicates 390 million dengue infections per year (95% credible interval 284–528 million), of which 96 million (67–136 million) manifest clinically (with any severity of disease). Another study, of the prevalence of dengue, estimates that 3.9 billion people, in 128 countries, are at risk of infection with dengue viruses.