71.   Colleagues told her parents that even if she contracted the virus in a state hospital, it was crazy to sue the state.

72.   Doctors said they did not know how she contracted the virus.

73.   Doctors still are not sure how people are contracting the virus, which up until this year occurred only in birds.

74.   Eazy-E said he believed he had contracted the virus through heterosexual sex.

75.   Gonzalez became only the third person in the world known to have contracted the virus.

76.   He also said, however, he believes he could have contracted the virus through bloody bouts in the ring.

77.   Health experts are still not sure whether people are contracting the virus from infected birds or from each other.

78.   Humans cannot contract the virus from birds.

79.   Humans may contract the virus when they are bitten by an infected mosquito.

80.   In May, a three-year-old Hong Kong boy died after contracting the virus, the first known case of human infection.