Frightened parents snatch hopefully at news of any new drug for treating infantile paralysis. One such new drug is called Darvisul. A whitish powder and a member of the sulfa family, Darvisul's scientific name is N-( 2-thiazolyl)-phenol sulfonamide. At Lederle Laboratories, where it was developed, its "working names" are phenosulfazole or Drug No. 2.
For the past month, newspapers have referred excitedly to phenosulfazole as a new "wonder drug." Because of the new drug, said the brightly colored reports, children who otherwise might have been crippled for life are walking normally. Columbia University, which...
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