Poliomyelitis and the Salk Vaccine: A Guide to Resources in the Bentley Historical Library

Francis and Salk at press conference

Thomas Francis and Jonas Salk at the April 12,
1955 polio vaccine announcement. Ann Arbor
News
photo by Eck Stanger, (University of
Michigan School of Public Health.
Box 6, Photographs, faculty)

Compiled by Thomas E. Powers and Brian A. Williams

April 1996, updated March 2005

Bentley Historical Library Guide Series No. 2

Copyright ©2005 the Regents of the University of Michigan