Word: virality
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Family members, who have requested anonymity, recalled that the aunt had suffered from a severe sore throat during her tour and wondered if she had somehow passed along an infection that caused cancer. Poring over medical books in local libraries, they found no reference to a viral cause of non- Hodgkin's lymphoma. Instead, they came upon another cancer of immune-system cells, Burkitt's lymphoma, which afflicts black African children and is strongly associated with infection by the Epstein-Barr virus. Even though the stricken family is white, says the Georgia victim, "it was the only viral- caused cancer...
...difficulties is the mixed signal provided by the viral evidence. Signs of Epstein-Barr infection were found in one family member with non-Hodgkin's lymphoma but were absent in two of the other cancer victims (the fourth died before testing was done). Was some other virus, still undiscovered, responsible for the familial outbreak...
Harvard's defense is still holding strong, even though sophomore goalie Stephen Hall has been sidelined recently with a viral infection. Chad Reilly, also a sophomore, has filled in for Hall over the past two games and has registered a 1.23 goals-against average. Reilly had seven saves in the Brandeis contest and will probably start against Hartwick...
...often killed in the process. But the AIDS virus is a so-called retrovirus and contains single-stranded RNA. Alone, RNA lacks the ability to conquer cells, but retroviruses carry an enzyme called reverse transcriptase. When the AIDS virus invades an immune-system T cell, the enzyme enables the viral RNA to convert to DNA, take over the cell's machinery, produce copies of itself and disable the cell...
...request of Burroughs Wellcome, Samuel Broder and his colleagues at NCI and other institutions tested AZT in late 1984 and early 1985 on AIDS- infected human cells in the test tube and found that it seemed to interfere with viral reproduction. Subsequently, they began testing the drug on 19 AIDS and ARC victims, and early this year reported in the British journal Lancet that the subjects had shown remarkable improvement. There was, however, at least one troublesome side effect: a reduction in their blood-cell counts. It was as a result of this early work that Burroughs Wellcome requested...