Word: virus
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Dates: during 1970-1979
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Quirk is the most probable starter, since his cold appears to be going away. But Linsk continues to suffer from a virus which has kept him out of a number of meets already, and Keefe has been off practice since Wednesday...
...harriers cause may be hurt a little by the possible absence of captain John Quick, who has come down with a cold, Fred Linsk, who missed the Penn meet, will probably start today but his virus bug has weakened him, and he has missed some important practice...
...overcome this obstacle, the NIH researchers-Drs. Brian Murphy, Elias Chalhub and Robert Chanock and Biologist Sandra Nusinoff-decided to beat the virus at its own flexible game. Vaccines now in use are made with a type of virus that has been killed and therefore has only limited ability to stimulate the body's immunological system. The new vaccine uses a combination of live viruses that brings about a stronger immune reaction. These active (though weakened) agents can also be grown in cultures more quickly, giving scientists a better chance of staying even with the most recent flu threat...
...virus used in the vaccine is a hybrid. Working in the NIH laboratories, the research team combined Hong Kong flu viruses from the 1968 epidemic with chemically altered samples of a 1965 strain. The result is a virus strong enough to produce immunity to the flu, but too weak to cause the disease itself...
...vaccine base is extremely sensitive to heat and fails to function if exposed to the high (98.6° F.) temperature of the lungs, the place where flu viruses settle to bring on illness. Otherwise a live virus could not be used. But it thrives in the slightly lower temperatures of the nose and throat where, according to its developers, it triggers the production of the crucial antibodies...