12 Apr, 2012, 12:01 ET
WASHINGTON, April 12, 2012 /PRNewswire-USNewswire/ -- Following is the daily "Profile America" feature from the U.S. Census Bureau:
THURSDAY APRIL 12: POLIO VACCINE
Profile America — Thursday, April 12th. On this date in 1955, the nation was loudly celebrating great medical news. Dr. Jonas Salk announced a vaccine against polio — the most feared disease of that era. Polio affects the nervous system, causing paralysis in the legs and the muscles operating the lungs. Most victims were children — hence the other name for the illness, infantile paralysis. However, adults could also contract polio and its most famous victim was Franklin D. Roosevelt. After the introduction of the Salk vaccine, the incidence of the disease quickly declined, and by 1967, had nearly vanished. Today, more than nine-out-of-10 infants are vaccinated against polio. You can find these and more facts about America from the U.S. Census Bureau, online at www.census.gov.
Sources: Chase's Calendar of Events 2012, p. 214
Statistical Abstract of the United States 2012, t. 192
Profile America is produced by the Public Information Office of the U.S. Census Bureau. These daily features are available as produced segments, ready to air, on a monthly CD or on the Internet at http://www.census.gov (look for "Multimedia Gallery" by the "Newsroom" button).
SOURCE U.S. Census Bureau
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