Posted on February 22, 2014April 2, 2017 by Shirley HartungThank you, Canada! How did Canada help Dr. Salk and his team with the production of the polio vaccine? Find the answer in the Activity Book. Look for the Canadian flag! Related postsMy Memorial to Dr. Martin Luther King Jr.The Black Heritage Series of StampsOur Weekend at Loretto MaryholmeOur New Ten Dollar Bill Celebrates a Historical EventMy blog for kidsShare this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related
