Three more Cutter lab associated cases appear, one of which proved fatal. Vaccine distributed by Wyeth Labs begins to show signs of polio in one case, paralysis of left arm which progressed to quadriplegia.
Source
The U. S. National Archives and Records Administration at Atlanta, 5780 Jonesboro Road, Morrow, GA 30260, www.archives.gov/
Six more cases appear; two cases previously thought to be paralytic are proven non-paralytic; total of 73 cases of post-inoculated poliomyelitis virus.
Source
The U. S. National Archives and Records Administration at Atlanta, 5780 Jonesboro Road, Morrow, GA 30260, www.archives.gov/