West Nile virus is a mosquito-borne virus first identified in Uganda in 1937. It belongs to the same viral family as dengue and yellow fever. The virus is most commonly transmitted by Culex mosquitoes, particularly the species Culex pipiens, which mainly feeds on birds.

"While this is the first detection of West Nile Virus in mosquitoes in the UK so far, it is not unexpected as the virus is already widespread in Europe," said Dr Meera Chand, a deputy director for travel health and infections at UKHSA.

Deadly West Nile virus has been detected in UK mosquitoes for the very first time, and cases will "almost certainly" continue to rise over the next few decades, it's been claimed