81.   One problem AIDS experts have noted among the older population is a reluctance to acknowledge the possibility of contracting a disease that is often sexually transmitted.

82.   People acquire the infection through a break in the skin, by eating meat from cattle that contracted the disease or by inhaling spores formed by the bacteria.

83.   People can contract the disease by eating infected meat, but so far human fatalities have been rare.

84.   Perhaps unwittingly, he also makes human tragedy seem less tragic when reporting on real people who are genetically disposed to transmitting or contracting fatal diseases.

85.   People cannot contract the disease but can carry it on their clothing, and for this reason, most rural areas are restricted.

86.   Public health officials fear that humans may contract the disease if the dogs come into contact with sandflies, which transmit the parasite that causes leishmaniasis.

87.   Research laboratories throughout the country have access to certain strains of the bacteria that appear in nature when animals contract the disease.

88.   Russia has even suspended imports from Brazil of chickens, which cannot contract the disease but are believed to be carriers.

89.   Researchers also have evidence that women may contract autoimmune diseases because of cells from their fetuses that persisted for decades after crossing the placenta.

90.   Roughly half of all people with AIDS who are exposed to TB contract the disease.