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Polio was discovered
in 1789 , Polio's first clinical description was done by Michael Underwood. -
The first Polio vaccination
in 1955 the first polio vaccine was developed by Jonas Salk -
vaccinations
over 98 million Americans received Polio vaccinations between 1955 and 1963 -
Brazil Immunization
in 1980 the first National Immunization Day was held in Brazil -
Americans With Disabilities Act
in 1990 the Americans With Disabilities Act Passed, which provided broad legal protections for those with disabilities ( thus including Polio ) -
Syria's outbreak
in 2012 Syria had a Poliomyelitis comeback , with about 15 cases in Children. -
Nigeria
Nigeria had it's last case of Polio July 24 2014. -
remaining polio countries
As of 2015, there are only a remaining estimate of only 19 cases in Pakistan and Afganistan.