French has confirmed the world’s first human case of the Shamonda virus in a patient who subsequently died
French has confirmed the world’s first human case of the Shamonda virus in a patient who subsequently died.
French health authorities and international monitoring bodies have confirmed the first known human infection of the Shamonda virus, a vector-borne pathogen historically found only in livestock.
The case involved a patient in Lyon who was undergoing treatment for a severe underlying illness and suffered from a significantly weakened immune system. Before passing away in early October, the patient experienced severe neurological complications that French officials believe were very likely linked to the viral infection.
Preliminary investigations suggest the individual contracted the virus via a bite from an infected biting midge in eastern France, where the pathogen was detected in farm animals earlier this year.
First identified in Nigerian cattle during the mid-1960s, the Shamonda virus causes fever, reduced milk yield, and reproductive issues in livestock across Africa and Asia, but it had never been recorded in humans or detected in European herds until this summer.
Although the virus crossing into a human host represents an unprecedented scientific development, global health organizations emphasize that this remains an isolated case with no evidence of human-to-human transmission. Officials stress that the risk to the general public remains extremely low, as biting midge activity declines sharply with cooler autumn weather while clinical investigations continue.
source: European Centre for Disease Prevention and Control. (2026). Severely ill patient in France becomes first ever human infected with Shamonda virus.
