France records first human death from Shamonda virus, says no public risk

What Happened

French health and agriculture ministries said a severely immunocompromised patient died in early October after infection with the Shamonda virus, marking the first confirmed human case. The patient was treated at a Lyon hospital and is believed to have been bitten by an infected midge in eastern France, where the virus was circulating in livestock during spring and summer. The virus, an orthobunyavirus, was first detected in Europe at the end of July 2026 on French cattle farms and has now been reported in animals across 14 western European countries. It was originally identified in Nigeria in the mid‑1960s and has long been present in Africa and Asia, affecting cattle, sheep, goats, alpacas and horses. In the patient, neurological complications appeared shortly before death and are thought to be linked to the infection.

Reaction

Officials stressed that the case is exceptional and that no health risk to the general public has been identified. Both the World Health Organization and the European Centre for Disease Prevention and Control have been notified. The ministries said clinical, biological and epidemiological investigations are ongoing and that there is no evidence of human‑to‑human transmission. The ECDC is working with French and other European partners to assess any potential public‑health implications.

Context

Shamonda virus spreads mainly through bites from small insects such as midges and causes fever, diarrhoea and reduced milk output in cattle. The French report of a human spill‑over underscores the importance of animal‑health surveillance and vector control to prevent future cross‑species infections.