It is an injectable, inactivated polio vaccine that is still used in some countries today. In the late 1950s and early 1960s, ...

There are two polio vaccines widely used today. One is Salk's killed vaccine; the other is a live-attenuated vaccine first developed by Albert Sabin. In addition to polio and typhus, killed ...

In January, 1955, Albert B. Sabin inoculated 30 volunteers at Ohio's Chillicothe Reformatory, with a weakened strain of live polio virus. Just three months later, Jonas E. Salk announced that he ...

The impact was dramatic: In 1955 there were 28,985 cases of polio; in 1956, 14,647; in 1957, 5,894. By 1959, 90 other countries used Salk's vaccine. Another researcher, Albert Sabin, didn't think ...

As much as two-thirds of the oral Sabin and injected Salk polio vaccine supply given from 1955 to 1963 in the US, Australia, Canada, Germany and other countries was contaminated with SV40, according ...

Two forms of the polio vaccine are available: injected inactivated polio vaccine (IPV or Salk vaccine), introduced in 1955 and oral live-attenuated polio vaccine (OPV or Sabin vaccine), introduced ...

Isolation of Sabin type 3 poliovirus can be expected in children and communities immunized with bivalent oral polio vaccine, which contains attenuated (weakened) type 1 and type 3 Sabin strains.