Polio vaccine is usually provided in vials containing 10–20 doses of vaccine. A single dose of oral polio vaccine (usually two drops) contains 1,000,000 infectious units of Sabin 1 (effective against PV1), 100,000 infectious units of the Sabin 2 strain, and 600,000 infectious units of Sabin 3. The vaccine contains small traces of antibiotics—neomycin and streptomycin—but does not contain preservatives. In a generic sense, vaccination works by priming the immune system with an 'immunogen'. Stimulating immune response, by use of an infectious agent, is known as immunization. The development of immunity to polio efficiently blocks person-to-person transmission of wild poliovirus, thereby protecting
Arthur Knowles Sabin childhood toys, and Mary Greg. He remained in this post until 1940. He died in 1959. Sabin was also responsible for several catalogues at the Victoria and Albert and Bethnal Green Museums. Arthur Knowles Sabin Arthur Knowles Sabin (1879-1959), was a writer, poet and printer, best known for his development of the Bethnal Green Museum, now the Museum of Childhood, in London. Arthur K Sabin was born in Rotherham in 1879, the son of a Sheffield steel worker. He was largely self-educated. He married Elizabeth Thompson in 1903. He moved to Cranleigh, in Surrey. Here he wrote several poems, and