The U.S. Public Health Service last week licensed the manufacture of a live-virus vaccine, to be taken by mouth for protection against one of the three types of poliomyelitis. Developed by the University of Cincinnati's Dr. Albert Sabin, the licensed vaccine is manufactured in England by a subsidiary of New York's Charles Pfizer & Co., which will distribute it in the U.S. Since it is the first oral vaccine approved for general distribution, its licensing would seem to be a major step forward in the battle against polio. But the effect of the Government action was to throw the already confused...
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