Australian hard rock band AC/DC recorded a version of School Days for their second album, T.N.T. . The song was originally released only in Australia. However, in 1997 it was released internationally on Volts, a compilation of Bon Scott-sung songs, part of the Bonfire box set.
Tetanus Toxoid is used to prevent tetanus (also known as lockjaw). Tetanus is a serious illness that causes convulsions (seizures) and severe muscle spasms that can be strong enough to cause bone fractures of the spine. Tetanus causes death in 30 to 40 percent of cases.
Tetanus toxoid vaccine example. Tetanus is caused by bacteria that enter the body through open wounds. The bacteria cause an increased tightening of muscles, resulting in spasms, stiffness, and arching of the spine.