51.   But he added that there were new infections at smaller companies and reports of widespread damage in Eastern Europe.

52.   But in patients whose immunity has been lowered by AIDS or treatment for cancer or other illnesses, the infection can be deadly.

53.   But it is not possible to tell if the infection is strep without a medical examination and laboratory test for the bacterium.

54.   But some aides indicated that the latest infection was not serious so far.

55.   But such infections are not impossible, he said.

56.   But the infections are harder to identify because there is no rash, and they can be fatal if they are not treated, Weld said.

57.   But the infection can be more severe, and even fatal, among people with compromised immune systems, the elderly and very young children.

58.   But there have also been infections caused by tainted water and other foods.

59.   But to be certain the infection is bacterial, a laboratory test is needed.

60.   But, she said, they will be able to ask whether infections are common or rare among other subspecies of chimpanzees, including Pan troglodytes troglodytes.