Jonas Salk Holding Bottle in Laboratory

Dr. Jonas E. Salk checks samples of virus-laden fluid used in the production of his vaccine, as he returns to his University of Pittsburgh laboratory, determined to make the vaccine even more effective. The substance was declared 80 percent to 90 percent effective, but its developer is working toward 100.
Dr. Jonas E. Salk checks samples of virus-laden fluid used in the production of his vaccine, as he returns to his University of Pittsburgh laboratory, determined to make the vaccine even more effective. The substance was declared 80 percent to 90 percent effective, but its developer is working toward 100.
Jonas Salk Holding Bottle in Laboratory
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Credit:
Bettmann / Contributor
Editorial #:
515219520
Collection:
Bettmann
Date created:
26 April, 1955
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Licence type:
Release info:
Not released. More information
Source:
Bettmann
Object name:
U1083301
Max file size:
2011 x 2858 px (17.03 x 24.20 cm) - 300 dpi - 2 MB