Word: salk
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Dates: during 1960-1969
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...against only Type I poliovirus. Said the PHS's Surgeon General Luther L. Terry: "I want to emphasize that an oral vaccine providing protection against all three types of poliomyelitis will not be available for some time. It is of the highest importance that vaccinations continue with the Salk vaccine, which is the only weapon we have today against all three types of polio...
...paralytic polio; Type II caused less than 5%; and Type III was blamed for the rest. Now Type II has all but disappeared, and Type III is reported as causing more than half of the paralytic cases. Why is not yet certain; one suggestion is that the injected Salk vaccine, which combines the three types in a single shot, was often weakest in its Type III component...
...present trend holds, the U.S. will have fewer cases of paralytic polio in 1961 than in any year since the Salk vaccine became available. Up to July 7, only 157 cases were reported to the Communicable Disease Center...
...tycoons who are agile enough to outwit other tycoons. What difference does it make to us in a world where we wish to save our children from bombs and anarchy whether or not the Murchison types have more or less money? Can all the Murchisons together equal one Jonas Salk, for instance...
...facts are that some Salk shots have been worthless because the vaccine lost its potency with age, or because manufacturers, determined to make it safe, overdid the job of inactivating the virus. Despite this, overall effectiveness of Salk vaccine in preventing paralytic polio has ranged statistically from 75% to 90%. As Dr. Jonas E. Salk retorted: "The continued occurrence of polio is not due primarily to failure of the vaccine, but to failure to use it." But most authorities admit that for fuller protection, the U.S. needs a more potent vaccine, probably the Sabin oral type, which should be available...