Albert Sabin and prove its extraordinary effectiveness and safety. The Sabin vaccine worked in the intestines to block the poliovirus from entering the bloodstream. In the intestines, Sabin had discovered, the poliovirus multiplied and attacked. Thus, the oral vaccine broke the chain of transmission of the virus and allowed for the possibility that polio might one day be eradicated. Between 1955 and 1961, the oral vaccine was tested on at least 100 million people in the USSR, parts of Eastern Europe, Singapore, Mexico, and the Netherlands. The first industrial production and mass use of oral poliovirus vaccine (OPV) from Sabin strains was
For the Term of His Natural Life (1908 film) For the Term of His Natural Life (1908 film) For the Term of His Natural Life is a 1908 Australian silent film based on the 1874 novel by the same name by Marcus Clarke. The film is an adaptation of MacMahon's stage adaptation of the novel. It was the fourth Australian feature ever made and is considered a lost film. The 1908 film was the first screen adaptation of Clarke's novel, which was also later filmed in 1911, as a silent film known as "The Life of Rufus Dawes", 1927, again as a silent film, and the most expensive produced