Born-Digital or AnalogAnalogTranscriptPoliomyelitis Colorado's mass polio test tops U.S. average. Post Je 16, 1954 p.3 Nation's first graders to get shot of new Salk vaccine. RI-IN N 4, 1954 p.14 Anti-polio serum huge success in Colorado. Post Ja `8, 1955 P.1 Significant success reported in Colorado polio test. RMN Ja 29, 1955 p.25 Anti-polio group to spend $9 million for vaccine. Post Mr 18, 1955 P.19 Only 'break even' fee urged for Salk polio vaccine shot. Post Mr 27, 1955 p 3ACollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
