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 Passengers and multi-reed player Ralph Carney from Tom Waits' touring band. Though less swinging and fresh than 1990's "Rootless Cosmopolitans", this album's original compositions and renditions of Duke Ellington and Howlin' Wolf tunes still leave plenty of room for Ribot's discordant guitar stylings. Available in the U.S. only as an expensive import. ". All compositions are by Marc Ribot, except where indicated otherwise. 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