What is Shamonda virus, detected in humans for first time. The world's first known human case of Shamonda virus has been reported in France in an immunocompromised patient who died in early October. It is an insect-borne virus from the Orthobunyavirus group that primarily affects livestock, particularly cattle, and is transmitted by biting midges. In cattle, the infection can cause symptoms such as fever, lethargy and diarrhoea.