Outbreak of Autochthonous Dengue in Fano, Pesaro-Urbino Province - Marche Region, Italy, September 2024
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Dengue is the most common arboviral disease globally. It is caused by four distinct but closely related Dengue viruses (DENV-1, -2, -3, and - 4) transmitted through bites of infected Aedes species mosquito vectors. In the last 50 years, incidence has increased 30-fold with increasing geographic expansion to new countries. Here we report the most important autochthonous Dengue epidemic in Italy ever recorded with a total of 86 confirmed cases occurring in September 2024 in Fano. They were caused by DENV-2. They were 61 Dengue fever, 21 Dengue with warning signs and no cases of severe Dengue. Our data underline the importance of considering Dengue not only as imported disease and rapidly testing all those patients with suggestive clinical pictures even if they have no travel history.