Polio has been an ancient disease.In tre store monet the 18th dynasty - of ancient Egypt is a person inscribed as Polo prient. It is commonly known as childred paralysis and is often many under 5 years, but adults also developed it. More than 90%of people who have cold symptoms such as fever and malaise, The: onset of paralytic polie is less than 1%. It was in 1789 that polio was first described as a single disoculation. In 1840, Polios recognization came widely among doctors. More than 1000 people Were paralyzed in Sweden in 1905. In 1916, it was a big epidemic in America and only New York of patients counted 9000 people. Even after that, research on polio was done mainly in the United Sintes, and in 1949 we succeed in culturing the Polio virus. In 1953, Dr. Sabin established the basis of polio vaccine and Dr. Soek developed an inactivated polio Vaccine Both of these lead to the polio prevention system by the Current vonalne. Then, in February 1960, patients occurred in hokka ido spreedquickly through Japan. In order to prevent the polio epidemic in Japan, the ministry of health and welfare decided to introduce an oral polio vaccine and the number of patients were reduced drastically.