A virus that afflicts cows makes the jump to a human

by | Oct 26, 2026 | Health

A virus that afflicts cows makes the jump to a human

Health officials in France have confirmed the first documented human case of Shamonda virus infection, marking a significant development in the disease’s history. The patient, who resided in Lyon, was severely immunocompromised and subsequently died. Investigators are currently examining whether the virus played a role in the patient’s death.

Shamonda virus is typically transmitted through bites from midges, a type of fly, and primarily infects cattle herds. While documented cases in horses, sheep, and goats have occurred, human infection had not been previously recorded. The virus has been present in Africa and Japan since the 1960s but was only identified in Europe this year. Infected animals may experience fever, miscarriages, and neurological symptoms.

Based on the patient’s residence and clinical presentation, health officials believe he contracted the virus through a midge bite and exhibited some neurological symptoms consistent with the infection. European health authorities have indicated they are monitoring for additional cases as a precautionary measure.

However, international health officials have sought to provide reassurance about the broader implications of this case. The World Health Organization stated that widespread transmission to the general population remains unlikely. Officials emphasize that there is no cause for public alarm regarding this isolated human infection.

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