This is old news; from 99'
https://www.newscientist.com/article/mg16422073-500-hold-your-fire/
Klaus Kurtenbach of Oxford University...says Lyme disease is only found in Britain because pheasants are reared in artificially high numbers.

Despite the fact that ticks carrying Lyme are found everywhere in England & Wales "particularly in woodlands and grasslands where wild animals (including deer) and livestock are also abundant."
https://ukhsa.blog.gov.uk/2024/03/21/what-is-lyme-disease-and-why-do-we-need-to-be-tick-aware/