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You could go to the Center for Disease Control (CDC) website and probably get this information or go to the World Health Organization (WHO) website. Both of these organizations probably keep statistics on polio but you may not be able to find any statistics dating back to 1955
microbioasturias
Tons of info here that can help you get great data from.
[1] Notifiable Diseases and Mortality Tables
Weekly
December 3, 2010 / 59(47);1558-1571
http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5947md.htm?s_cid=mm5947md_w
[2] Outbreaks Following Wild Poliovirus Importations --- Europe, Africa, and Asia, January 2009--September 2010
http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5943a1.htm?s_cid=mm5943a1_w
[3] Progress Toward Poliomyelitis Eradication --- Nigeria, January 2009--June 2010
http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5926a2.htm?s_cid=mm5926a2_w
[4] Vaccine Policy Changes and Epidemiology of Poliomyelitis in the United States
JAMA. 2004;292(14):1696-1701.
http://jama.ama-assn.org/content/292/14/1696.full.pdf+html
Orignal From: How many cases of Polio have been confirmed since 1955?
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