Word: detectable
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...donated. Since each pint donated can be split among two or three recipients, as many as 360 people could receive AIDS-infected blood each year, though how many will develop the disease is unknown. The main reason for the slipups, explains Chalmers, is that the existing blood- screening test detects antibodies to the AIDS virus rather than the virus itself. Since someone infected with the AIDS virus may take several weeks to develop antibodies, he says, "there is a dangerous window of time" when the test will fail to detect infection...
...donor blood in the U.S. is screened for AIDS contamination, one undisputed case of transfusion-borne infection was reported two weeks ago. A donor gave blood so soon after the homosexual encounter that infected him that his body had not yet produced the antibodies the test is designed to detect...
...nervosa, bulimia and other eating disorders. Those with anorexia, which has been recognized since the Middle Ages, are preoccupied with dieting and lose at least 25 percent of their original body weight yet still see themselves as fat. Bulimia, only recently recognized as a disorder and more difficult to detect, involves a cycle of binging and self-induced purging...
...across the Atlantic, amid charges, countercharges and growing anger, are researchers at the National Institutes of Health in Bethesda, Md., and at the Pasteur Institute in Paris. At issue: who was first to isolate the virus that causes AIDS and first to develop a blood-screening test to detect AIDS infection. At stake: national pride, possibly a Nobel Prize and perhaps millions of dollars in patent royalties on the blood test...
...Challenger disaster understandably haunted space officials at the Cape last week as they prepared for their first launch since the accident. They checked and rechecked a 116-foot Delta rocket that was to carry a $57.5 million weather satellite into an equatorial orbit to detect developing hurricanes. When a tiny fuel leak was detected on Thursday, the launch was prudently postponed until Saturday as technicians pored over the problem...