Production Information Card #21 of 25 # of Cards Printed = 220   Diamond  = 7   Ruby  = 24   Emerald  = 36   Sapphire  = 38   Topaz  = 115 # of Productions = 2 First Printing = 2007-05-30 # of Editions = 1
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http://www.time.com/time/time100/scientist/profile/salk.html

http://www.prnewswire.com/mnr/marchofdimes/21513/

http://en.wikipedia.org/wiki/Jonas_Salk

Here are some additional resources about Jonas Salk.

• The Waring Blender (like you might have in your own kitchen) was used by Dr. Jonas Salk in his laboratory while he was working on the Salk Polio Vaccine.
• The National Museum of American History acknowledged the 50th anniversary of the polio vaccine with an interactive exhibition.
• In the mid 1950's there was a huge scare over polio, a cripling disease that was easily spread. Polio victims were often placed in metal containers (iron lungs, as they were called) to help them breathe. Dr. Jonas Salk invented a vaccine against polio; shortly after that, Dr. Albert Sabin developed a similar one. The government initiated a program to vaccinate everyone. I remember our whole family going up to our school one day and lining up for a cube of sugar which contained the vaccine. One sweet mouthful, and the threat was gone. In the 1950's we wiped out this horrible disease.