Progress Against Polio

Archive Report

Efficacy and Safety of Salk Vaccine

Recent action by Congress to extend the program under which the federal government has been helping the states to finance mass inoculation against poliomyelitis confirmed public acceptance of the once controversial Salk vaccine. Last year's apprehensions about safety of the vaccine have been largely allayed. Health officers now urge that vaccination plans be carried forward as swiftly as possible. Dr. Hart Van Riper, medical director of the National Foundation for Infantile Paralysis, told doctors early this year:

In the light of current evidence concerning the safety and effectiveness of the Salk vaccine, produced according to present minimum requirements for manufacturing and testing, it certainly seems over-cautious and ultra-conservative…for a physician to withhold or postpone immediate vaccination against paralytic poliomyelitis.1

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