Polio vaccine polio and post-polio syndrome. In the United States, vaccine is administered along with the tetanus, diphtheria, and acellular pertussis vaccines (DTaP) and a pediatric dose of hepatitis B vaccine. In the UK, IPV is combined with tetanus, diphtheria, pertussis, and "Haemophilus influenzae" type b vaccines. OPV is an attenuated vaccine, produced by the passage of the virus through nonhuman cells at a subphysiological temperature, which produces spontaneous mutations in the viral genome. Oral polio vaccines were developed by several groups, one of which was led by Albert Sabin. Other groups, led by Hilary Koprowski and H.R. Cox, developed their own
6 Songs for Bruce 6 Songs for Bruce 6 Songs for Bruce, also commonly known as 4-Track Demo, is an early single-sided demo cassette tape by American rock band Soundgarden. The band, at the time a three-piece named Sound Garden, composed of guitarist Kim Thayil, bassist Hiro Yamamoto, and Chris Cornell on drums and vocals, recorded the demo in Jack Endino's basement four-track studio on April 24, 1985 for their friend Bruce Pavitt, hence the name of the tape, which features a rare early version of "Tears to Forget" sung by Yamamoto, and, as a bonus song, a Cornell's solo recording titled "The Storm".