Preliminary results on an autochthonous dengue outbreak in Lombardy Region, Italy, August 2023

In August 2023, six locally acquired dengue virus 1 infections were detected in Lodi province, Lombardy Region, in northern Italy, where the vector Aedes albopictus is present. Four cases were hospitalised, none died. The viruses clustered with Peruvian and Brazilian strains collected between 2021 a...

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Published in:Euro surveillance : bulletin européen sur les maladies transmissibles 2023-09, Vol.28 (37)
Main Authors: Cassaniti, Irene, Ferrari, Guglielmo, Senatore, Sabrina, Rossetti, Eva, Defilippo, Francesco, Maffeo, Manuel, Vezzosi, Luigi, Campanini, Giulia, Sarasini, Antonella, Paolucci, Stefania, Piralla, Antonio, Lelli, Davide, Moreno, Ana, Bonini, Maira, Tirani, Marcello, Cerutti, Lorenzo, Paglia, Stefano, Regazzetti, Angelo, Farioli, Marco, Lavazza, Antonio, Faccini, Marino, Rovida, Francesca, Cereda, Danilo, Baldanti, Fausto
Format: Article
Language:English
Subjects:
Dengue fever
Epidemics
Health surveillance
Rapid Communication
Viral infections
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Summary:In August 2023, six locally acquired dengue virus 1 infections were detected in Lodi province, Lombardy Region, in northern Italy, where the vector Aedes albopictus is present. Four cases were hospitalised, none died. The viruses clustered with Peruvian and Brazilian strains collected between 2021 and 2023. This preliminary report highlights the importance of continued integrated surveillance of imported vector-borne virus infections and the potential for tropical disease outbreaks in highly populated regions of northern Italy where competent vectors are present.
ISSN:1560-7917
1025-496X
1560-7917
DOI:10.2807/1560-7917.ES.2023.28.37.2300471