31.   In animals, the disease causes spontaneous abortions.

32.   In many cases, the disease causes severe disability.

33.   In some cases, the disease causes kidney and liver failure and death.

34.   Initial reports said the disease has caused high fever and severe bleeding, among other symptoms.

35.   It may be caused by diseases of the nerves or as the result of illnesses such as diabetes.

36.   Mad cow disease caused a panic in the British beef market a few years ago and prompted strict import bans on this side of the Atlantic.

37.   Low-protein diets can help slow the progression of kidney disease, but they can make the muscle wasting that the disease causes even worse.

38.   More than half the deaths were caused by disease.

39.   Other chronic diseases can also cause liver failure.

40.   Prion diseases cause the slow degeneration of the nervous system.