51.   But Murray urged doctors and veterinarians worldwide to review their records of respiratory disease to see if the virus has appeared before.

52.   Chao said she was recommended that it include silicosis, a respiratory disease caused by inhaling silica, a hard, glassy mineral.

53.   Children with lead poisoning are more prone to ill-tempered and aggressive behavior, and at greater risk of respiratory diseases, anemia and urinary infections, Xinhua said.

54.   Children and adults suffer from lead poisoning, decaying teeth and respiratory diseases due to the noxious cocktail of gases spewed into the air.

55.   Diphtheria is a respiratory disease that leads to weakness, high fever and the obstruction of breathing.

56.   Exposure to asbestos fibers has been linked to cancer and a variety of other respiratory diseases.

57.   Federal health authorities are proposing that Asian immigrants undergo a skin test in addition to X-ray tests to reduce the spread of the respiratory disease.

58.   Having symptoms, however, is not the same as having a full-blown upper respiratory disease, which is far less common, Nieman said.

59.   He said he was usually given a large bottle of medicine whenever he visited the clinic for treatment of a chronic respiratory disease.

60.   He said Hemophilus often causes serious or even lethal pneumonia in the elderly and is seen most often in children with upper respiratory diseases.