There are also reports of Babesiosis-infected ticks in the UK. This parasite can lead to severe anemia and immune-related diseases, and is potentially life-threatening.
While tick-borne encephalitis (TBE) is extremely rare, infected ticks are becoming more common in the UK. The TBE virus can affect both humans and dogs with a meningitis-like illness. It has recently become endemic to in Thetford Forest and the Hampshire/Dorset border.
Fleas in the UK are typically less likely to spread disease than ticks, but commonly cause flea allergic dermatits in our pets. A heavy infestation can cause anemia, and in rarer cases cause infections like Bartonella spp., Ricketsia felis and Haemoplasma.