Word: vaccinees
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Then comes the testing. From every 1,000 cc. of vaccine, one cc. is taken.
Each of these samples is put in a test tube with a tissue culture made from monkeys' kidneys. If there is still any active virus present, it will multiply and, in the process, destroy some of the kidney tissue cells. After a week, technicians use microscopes to see whether...
But even if no signs of virus can be seen, some of the same vaccine material is tested again, over another week, with fresh kidney tissue. Half a dozen cynom-olgus monkeys get shots (in the arms) ten times as potent as a human child receives. And twelve rhesus monkeys...
Last year's vaccine was triple-tested* in the manufacturer's own labs, Dr. Salk's labs at the University of Pittsburgh, and the U.S. Laboratory of Biologies Control.
This year, in an attempt to "short-cut a little bit" (as President Eisenhower put it), the tests were run only by the manufacturers, with the U.S. making an occasional spot check but generally relying on manufacturers' reports. Moreover, last year's vaccine was produced in small lots...