This lot is closed for bidding. Bidding ended on 3/29/2012
Albert Sabin autograph document signed, entitled ''Requirements for an Oral Polio Vaccine''. Document reads in full, ''Requirements for an Oral Polio Vaccine / The vaccine virus - the progeny of a specially selected single virus particle - must retain its capacity for extensive multiplication in the human intestinal tract but must have lost its capacity to produce paralysis in human beings. Albert B. Sabin II/86''. Document measures 9'' x 6'' on card stock. Mild creasing; overall in near fine condition.