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First clinical description of Polio
Michael Underwood was a English physician who provided the first clinical description of Polio. -
Jacob Heine discovers charactristics of Polio
In 1840 Jacob Heine describes the clinical features of Polio. He describes Polio's involvement in the spinal cord. -
U.S. Polio epedemic
The First U.S. Polio epedemic that occured was in Vermont with 132 cases of Polio -
New discovery about Polio
Polio is discovered to be contagious in 1905. -
Big Polio epedemic
There was a huge Polio epedemic in New York in 1916. -
The start of the Poio vaccine research
Scientist start to look for a Polio vaccine -
Polio vaccine found
The Polio vaccine is ofically licenseed -
Sabin's Vaccine
Sabin found a new oral vaccine that came into commercial use in 1961 -
When Polio was eliminated in the U.S.
By now Polio was practically eliminated from America because of the vaccines. -
Polio cases decreased
The amount of Polio cases has significantly decreased from when it first started. -
National Polio day
National Polio ay is celebrated on October 24th each year
