In a concerning development, the tiger mosquito, known for its potential to transmit diseases like dengue and Zika, has been detected in multiple locations across Belgium earlier than expected this year.
According to reports from the Nature and Forestry Agency, sightings of the invasive species have been confirmed in three separate locations during May and June, marking a notable acceleration compared to previous years.
The surge in sightings has prompted heightened vigilance among health authorities and the public alike. Over 600 reports have been logged on MuggenSurveillance.be, a platform enabling citizens to submit photographs of suspected tiger mosquito sightings for identification.
Analysis conducted by the Institute of Tropical Medicine (ITG) and health service Sciensano confirmed three instances of the tiger mosquito, with new sightings reported in Saint-Josse-ten-Noode in Brussels, Verviers in Liège, and a repeat occurrence in Leuven.
“This year, the tiger mosquito was detected earlier than in the past, potentially linked to travel patterns of holidaymakers returning from affected regions,” explained Marie Hermy of Sciensano.
The insects are known to hitchhike with travelers and can establish themselves in urban environments where breeding sites, such as stagnant water in flower pots or discarded containers, are abundant.
In response to the detections, ITG teams have been dispatched to investigate each confirmed sighting, conducting thorough inspections within a 100-meter radius to assess the extent of the infestation.
In Flanders, the Nature and Forestry Agency has partnered with Rentokil to implement eradication measures aimed at eliminating breeding sites and controlling mosquito populations.
While there have been no reported cases of virus transmission by tiger mosquitoes within Belgium to date, concerns are heightened due to ongoing dengue outbreaks in regions such as South America.
Sciensano has noted an increase in Belgian travelers returning home with symptoms, underscoring the potential risks associated with mosquito-borne diseases.
The situation remains dynamic, with authorities urging the public to remain vigilant and report any suspected sightings promptly.
Efforts are ongoing to monitor and mitigate the spread of the tiger mosquito, emphasizing community involvement and proactive mosquito control measures.
As summer progresses, stakeholders continue to monitor the situation closely, emphasizing the importance of preventive actions to safeguard public health against the threats posed by invasive mosquito species.
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