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December 23, 1955
This weekly report uses information from 18 different laboratories manufacturing the Salk Vaccine.
The U. S. National Archives and Records Administration at Atlanta, 5780 Jonesboro Road, Morrow, GA 30260 www.archives.gov/atlanta
“#55 POLIOMYELITIS SURVEILLANCE REPORT ,” The Global Health Chronicles, accessed December 15, 2019, https://globalhealthchronicles.org/items/show/6254.