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
Requiem for What's His Name Requiem for What's His Name Requiem for What's His Name is the second album by Marc Ribot & The Rootless Comopolitans. It was released on the Belgian label Les Disques du Crepuscule in 1992. It was recorded in New York City, except "Commit a Crime" which was recorded live at Desi Stadtteilzentrum in Nuremberg, Germany. The Allmusic review by Brian Beatty awarded the album 4 stars, stating, "On his second release as a bandleader, guitarist Marc Ribot is joined by players familiar from his gigs as a hired sideman, including saxophonist Roy Nathanson of the Lounge Lizards and the Jazz