At the New York Academy of Medicine last week Dr. Sidney David Kramer of Brooklyn, where infantile paralysis often prevails, stated that he had developed a vaccine which prevented infantile paralysis in three-fourths of the monkeys on which he had experimented. In all probability, he thought, his vaccine would be just as efficacious in children.
The Kramer anti-poliomyelitis vaccine is a mixture of immune serum (from a person who has had an attack of the disease) and active infantile paralysis virus. The serum renders the virus harmless, and the product creates immunity in...
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