Mosquito that Transmits Dengue Fever Expands Its Presence in Portugal
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The mosquito of the species 'Aedes albopictus', causing diseases such as dengue and yellow fever, was registered in 2025 in Lisbon, Oeiras, Almada and Sesimbra, thus confirming its enlargement in Portugal.
Mosquito that transmits dengue fever expands its presence in Portugal
The mosquito that transmits diseases such as dengue fever and yellow fever was detected in 2025 in Lisbon, Oeiras, Almada and Sesimbra, bringing the number of municipalities where it has been identified to 28 – 10 more than in 2024 – according to data from INSA.
The data are from the REVIVE — Vector Surveillance Network, developed by the Instituto Nacional de Saúde Doctor Ricardo Jorge (Insa), through the Center for Studies of Vectors and Infectious Diseases. In 2025, the five health regions of the continent and the Regional Directorate of Health of Madeira participated in the REVIVE surveillance, and mosquitoes were collected in 243 municipalities. In total, 44,123 mosquitoes of 22 species and 48,503 e…
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