It causes enteritis, gastritis or peritonitis. Anaemia and dehydration may develop secondary to this haemorrhagic enteritis. Symptoms are typified by diarrhoea with fever and acute enteritis. It is also indicated for pneumonia, infections of the urinary tract, enteritis, and gastroenteritis. Other diseases found in European badgers include arteriosclerosis, pneumonia, pleurisy, nephritis, enteritis, polyarthritis and lymphosarcoma. Experimental infection of Mammalian orthoreovirus Type 1 resulted in pneumonia, enteritis, fever, and diarrhea. Cytomegalovirus may be the cause of retinitis, respiratory symptoms and or enteritis. Infection causes calf enteritis and contributes to the enzootic pneumonia complex in calves. On 4 September 2004, an elephant died, reportedly of acute hemorrhagic enteritis and respiratory distress. Segmental necrotizing enteritis has been reported on one occasion. Physiological symptoms include degeneration of epithelial cells, enteritis, and macrophage infiltration of lymphocyte. Large scale deaths have also been noted to be caused by "Clostridium" infection and enteritis. Cattle can be affected by protothecal enteritis and mastitis. The local response to the endotoxins is enteritis and gastrointestinal disorder. Charles DeRudio died in 1910 in Pasadena, California, of bronchial catarrh and acute enteritis.