Magazine article Science News

Time from Infection to AIDS Computed

Magazine article Science News

Time from Infection to AIDS Computed

Article excerpt

Time from infection to AIDS computed

Based on data from patients who acquired AIDS from blood transfusions, British scientists reported last week that children under the age of 5 at the time of infection develop their first symptoms of AIDS about two years after transfusion--more than four times earlier than the average eight-year "incubation time' seen in patients between the ages of 5 and 59. The statistical analysis, based on figures from 297 U.S. cases, also found that patients 60 years and older develop AIDS at an average of 5.5 years after transfusion.

Researchers at the University of London analyzed data provided by the Centers for Disease Control (CDC) in Atlanta to determine the average time from infection to development of AIDS. The scientists point out in the Aug. 20 NATURE that, although these incubation times may not prove to be identical to those seen among other groups of AIDS patients, knowing the exact date of infection from transfusion makes such studies a unique and valuable resource in understanding AIDS. …

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