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TIME: Almanac 1990
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1990 Time Magazine Compact Almanac, The (1991)(Time).iso
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time
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061289
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06128900.055
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1990-09-22
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MEDICINE, Page 61Silent AIDSA troubling finding
Researchers have known for some time that people may harbor
the AIDS virus without showing symptoms or even producing telltale
antibodies. But the duration of such latent infections has been
uncertain. Now a study has shown that some people may carry the
AIDS virus for three years or longer without its being detected by
widely used antibody screening tests. If the results are confirmed,
they could mean that latent AIDS infection is more common than was
once believed.
The study, reported last week in the New England Journal of
Medicine, followed 133 men without AIDS antibodies who continued
to engage in high-risk sexual activity. A team led by researchers
at the University of California, Los Angeles, found that of 31 who
carried the AIDS virus, 27 had not produced antibodies up to three
years after the virus was detected. While the study raises
questions about the effectiveness of current screening tests, which
zero in on AIDS antibodies and not the virus itself, there is a
bright side: some infected people may remain healthy for longer
than was previously thought.