Word: infectives
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Dates: during 1990-1999
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...plans to begin a new set of trials with the virus in the next month or so. One of his challenges is to render the adenovirus harmless and keep it from spreading out of control. "We want to cure cystic fibrosis," he says. "We don't want to infect the whole town...
After World War I, there were fears that millions of displaced Europeans, newly influenced by Bolshevism, would infect America with alien ideology. As a result, a series of racism-tinted national-origins laws passed during the 1920s established an annual immigration quota of 150,000 that favored established groups like the Germans and Irish. Some nationalities, notably the Japanese, were excluded entirely. The national-origins system was preserved in the 1952 McCarran-Walter Act, though that notorious law did establish tiny quotas -- 100 or so a year -- for such previously barred groups as Indians and Filipinos...
...addition, creating valuable animal models for HIV infection is difficult, says Hirsch, because the virus does not infect any organism but humans...
...Ever since the AIDS virus was first isolated in 1983, scientists have been trying to determine which receptor on the surface of healthy immune cells is used by the virus to infect the cells. By blocking the receptor, researchers might be able to prevent the illness from taking hold. One such receptor, called CD4, has already been identified, and now biologists in France have reported evidence suggesting that they have found a second, CD26, which the virus must use in conjunction with the first...
...only does this reduce the ability of virus to infect other cells, but it also protects many infected cells from cell death, according to team leader Wayne A. Marisco, an assistant professor in medicine at Harvard Medical School...