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Materials to advise those travelling abroad on reducing the risk of acquiring mosquito-borne infections.
New UKHSA data shows dengue cases have fallen significantly, but chikungunya infections rose 43% in 2025 and malaria continues to be reported at consistently high levels among returning travellers
Basic profile of the different species of mosquitos that can be found in the UK.
The characteristics, symptoms, diagnosis and epidemiology of chikungunya.
False reports of possible Asian Tiger mosquitoes (Aedes albopictus) have been received by MEZE. This page outlines differences between this species and similar native species.
If you have seen a mosquito in the UK, you can report it to UKHSA's surveillance scheme using the form on this page. You can also send us samples of mosquitoes you have collected.
Don’t include personal or financial information like your National Insurance number or credit card details.
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