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
My Name Is Bruce My Name Is Bruce My Name Is Bruce is a 2007 American comedy horror film directed, co-produced by and starring B movie cult actor Bruce Campbell. The film was written by Mark Verheiden. It had a theatrical release in October 2008, followed by DVD and Blu-ray releases on February 10, 2009. Although Sam Raimi, with whom Bruce frequently collaborates, is not involved with this production, much of the film is in the vein of the "Evil Dead" series. Ted Raimi (Sam's brother), also a frequent collaborator, appears in this film. Campbell has shown several minutes of the movie during some