Investigation launched as first human case of 'brain disease' found in EU country popular with UK tourists

Detailed summary

The World Health Organisation (WHO) has started research after the man died from animal illness - only detected for first time this summer

The World Health Organisation (WHO) has launched an investigation after the first-ever case of a brain disease was found in an EU country which is a favourite destination for UK tourists. Health officials in France raised the alarm following the first ever known case of Shamonda virus (SHAV) infection in a human.

The person concerned had not travelled outside the country in the preceding 12 months, the WHO said. WHO said: “The case was an immunocompromised older man from eastern France with no travel history during the preceding year. He developed severe neurological illness on 23 September 2026 and was diagnosed with severe encephalitis (brain inflammation). The patient died on 8 October 2026.”

It said there are ‘no previously documented human infections’ of the disease, which normally affects animals such as cattle, sheep, goats and horses.

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