Portugal, Lisbon

Thursday

Today

High

Friday

Tomorrow

Moderate

Saturday

Jun 21

Moderate

Sunday

Jun 22

High

Monday

Jun 23

Extreme

How we forecast?

Recent Detection of Aedes albopictus in Lisbon

Lisbon, Portugal, has recently experienced the presence of the Aedes albopictus mosquito, commonly known as the Asian tiger mosquito. This species is capable of transmitting diseases such as dengue and Zika. However, as of now, there have been no reported cases of these diseases in the region. The Directorate-General for Health (DGS) has confirmed the presence of Aedes albopictus in Lisbon but emphasizes that there is no increased risk to public health at this time. The DGS has implemented enhanced surveillance and control measures to monitor and manage the mosquito population effectively. (theportugalnews.com)

Year round mosquito forecast

Mosquito Intensity

Scientific Insights into Aedes albopictus Spread

The spread of Aedes albopictus in Portugal has been a subject of scientific study. A genetic analysis published in 2024 indicates that the mosquito populations detected in Lisbon correspond to recent but distinct introduction events. While no local transmission of Aedes-transmitted viruses has occurred in mainland Portugal to date, the spread of this mosquito species and increased international travel heighten the risk of potential disease outbreaks. Continuous monitoring and control measures are essential to prevent autochthonous Aedes-borne disease outbreaks. (parasitesandvectors.biomedcentral.com)

Impact of Climate Change on Mosquito Activity

Climate change has been identified as a contributing factor to unexpected mosquito activity in Portugal. Variations in temperature and weather patterns can lead to increased mosquito activity during out-of-season periods. Experts suggest that climate change may cause mosquitoes to hatch more eggs in response to rapid changes in weather, resulting in a higher number of mosquitoes in a shorter period. This underscores the importance of ongoing surveillance and adaptive control strategies to address the evolving mosquito landscape. (algarvedailynews.com)

Preventive Measures Against Mosquito-Borne Diseases

To mitigate the risk of mosquito-borne diseases in Lisbon, residents and visitors are advised to take preventive measures. These include using insect repellent, wearing long sleeves and pants, and avoiding outdoor activities during peak mosquito activity times, such as dawn and dusk. Additionally, eliminating standing water sources, which serve as breeding grounds for mosquitoes, can help reduce their population. Staying informed through official channels and adhering to public health guidelines are crucial steps in protecting oneself from potential mosquito-borne illnesses.

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Mosquito-borne diseases in the area

Malaria

Zika

Dengue

Yellow Fever

Chikungunya

West Nile Fever

FAQs

Aedes albopictus, commonly known as the Asian tiger mosquito, is an invasive species capable of transmitting diseases such as dengue and Zika. Its presence in Lisbon has raised concerns, but no local transmission of these diseases has been reported to date.

Climate change leads to unexpected mosquito activity in Lisbon, with increased numbers during out-of-season periods. Rapid changes in weather patterns can cause mosquitoes to hatch more eggs, resulting in a higher population in a shorter time frame.

To prevent mosquito bites in Lisbon, use insect repellent, wear long sleeves and pants, and avoid outdoor activities during peak mosquito activity times, such as dawn and dusk. Eliminating standing water sources can also help reduce mosquito breeding grounds.

Further information

DGS Announcement on Aedes albopictus DetectionImpact of Climate Change on Mosquito ActivityScientific Study on Aedes albopictus Spread