Telephone survey shows that labs running large specimen studies have not found active polio. First case of vaccine-associated polio from Wyeth laboratories appears in Pennsylvania.
Source
The U. S. National Archives and Records Administration at Atlanta, 5780 Jonesboro Road, Morrow, GA 30260 www.archives.gov/atlanta
A non-paralytic case appeared with meningeal signs. The stool of the patient's siblings showed signs of Type 2 poliomyelitis virus. More than one case has shown symptoms in siblings.
Source
The U. S. National Archives and Records Administration at Atlanta, 5780 Jonesboro Road, Morrow, GA 30260 www.archives.gov/atlanta
Type 1 polio isolated from stool in California, family members of patient who weren't vaccinated show signs of non-paralytic. First isolation of polio virus from a Wyeth Laboratory case.
Source
The U. S. National Archives and Records Administration at Atlanta, 5780 Jonesboro Road, Morrow, GA 30260 www.archives.gov/atlanta
Nine new cases appear; first case from Parke-Davis Laboratory; Three more Wyeth Lab cases appear; Pennsylvania is assigned two full time EIS officers because of the unusually high rate of cases in unvaccinated children.
Source
The U. S. National Archives and Records Administration at Atlanta, 5780 Jonesboro Road, Morrow, GA 30260 www.archives.gov/atlanta