Word: viruses
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Dates: during 1980-1989
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...West Lafayette, Ind., a Purdue University biologist who until recently was building models of viruses by laboriously fastening together hundreds of brass fittings taps away at a computer keyboard. When he is done, he has created on the screen an image of rhinovirus 14 (one of some 113 varieties responsible for the common cold) that can be turned and viewed in three dimensions. Rhinovirus 14 thus becomes the first animal virus of any kind to have its full portrait drawn...
...only known protection against the AIDS virus and other venereal diseases is abstinence or the use of a condom. The AIDS virus can only be transmitted through semen and blood. Because one can never be assured of being free of the smallest lesions in the mouth, anus, or vagina, consistent use of a latex condom is recommended...
...soothe singles who are jittery about AIDS. Although those most at risk for the disease remain homosexual men and intravenous drug users, a growing number of heterosexual singles are demanding a clean bill of health in place of spoken assurances that a new acquaintance is not carrying the virus. By requiring all members to take blood-screening tests, dating services are taking some of the risk out of meeting people, if some of the spontaneity...
...matter how rigorous the testing requirements, no organization can be certain that its members are not infected with the AIDS virus. Reason: the body can take as long as four months to produce antibodies to the virus. Until that happens, an AIDS carrier will test negative and may gain a mistaken sense of security. Even a person who is AIDS free when the test is administered may shortly afterward become infected. To avoid lawsuits, most social clubs advertising protection from AIDS make a point of stating in their applications that they cannot guarantee that members are not infected...
...alarm over AIDS has spread, some in the Pentagon have been urging outright dismissal from the service of anyone who tests positive for the AIDS virus. Instead, the Defense Department last week reaffirmed a 1985 policy that gives supervisors the authority to remove infected individuals from a wide variety of duties, including flight status and other tasks requiring a high degree of stability or alertness...