Word: salk
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Dates: during 1950-1959
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...killing agent: ironically, it may actually favor the clumping of virus particles that makes a vaccine unsafe. And they had little patience with the Mahoney strain (which has caused most of the polio in the Cutter-vaccinated cases).* Denmark, they noted, has inoculated its 400,000 schoolchildren with a Salk-type vaccine, but with the Brunhilde strain substituted for Mahoney, and with no mishap. And since the U.S. authorities were not satisfied with present testing methods, it was clear that major changes in the Salk vaccine were imminent...
...Hospital has a method, he said, of reducing seven or eight gallons of virus solution down to half a teaspoonful or less-99% pure virus. This can be inactivated and tested far more readily. So why not concentrate the stuff? He got no immediate answer, but P.H.S. and Dr. Salk are studying...
Cincinnati's Dr. Albert Sabin, outspoken champion of a live-virus vaccine (TIME, May 23), suggested that all three paralysis-causing strains used in the Salk preparation be thrown out. In their place he would put nonvirulent strains, which may be found in nature or "bred" selectively in the laboratory. Knowing that his audience was far from ready to accept live viruses, Dr. Sabin cannily reminded them that these too could be treated with formaldehyde. This would give double protection, and a Swedish researcher is working on such a vaccine right...
...Offered by Mutual of Omaha (insurance), and presented by the A.M.A.'s incoming President Elmer Hess, who sternly advised Dr. Salk: "For heaven's sake, put it on the mortgage...
University of Michigan Jonas Salk . . . . . . . . . . . . Sc.D...