Word: mef
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...mass-produced vaccine must be beefed up to the potency level of his laboratory brand. But Dr. Salk also conceded defects in the design of the vaccine itself. It contains three strains of polio virus for the three broad types that can independently cause disease- Mahoney for Type I, MEF-1 for Type II. and Saukett for Type III. About 80% of paralytic polio used to be caused by Type I strains; of the balance, Type III caused slightly more than half, leaving Type II as the least dangerous. But it is against Type II disease that the vaccine...
...hundreds of strains or varieties of polio virus are classified in three major types, any one of which can cause disease. So one strain of each of the three basic types must be in the vaccine. Dr. Salk's prescription calls for the Mahoney strain (Type I), MEF-I strain (Type II) and the Saukett strain* (Type III). Three tankfuls, each containing one type of virus in its inactivated state, are mixed. The formaldehyde is neutralized with sodium bisulfite...
Crew C. Stroke, C. R. Benson Jr., '32; 7. W. F. Lufe '31; 6. W. F. Federson '31; 5, S. R. Stackpole '33; 4. L. L. Filstrup '33; 3, C. Mef Campbell. Jr., '33; 9. Timothy Rhodes '33; Bow. J. M. Bigelow...
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