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Eight more cases of post-vaccination polio appear. Persons vaccinated by vaccines produced by Lilly Laboratory begin to show signs of poliomyelitis.
The U. S. National Archives and Records Administration at Atlanta, 5780 Jonesboro Road, Morrow, GA 30260 www.archives.gov/atlanta
“ #5 POLIOMYELITIS SURVEILLANCE REPORT ,” The Global Health Chronicles, accessed November 25, 2020, https://globalhealthchronicles.org/items/show/6186.