the American virologist Jonas Salk

a related virus wasn’t until the 1950s, however, when the American virologist Jonas Salk developed a polio vaccine, that the modern era of mass inoculation began.

Jonas Salk and Albert Sabin

In the mid 1950s, two scientists, Jonas Salk and Albert Sabin, developed the polio vaccine.

Albert Sabin

In the 1950s Albert Sabin developed the live polio vaccine at the College of Medicine.

an American, Dr. Jonas Salk,

In 1955 an American, Dr. Jonas Salk, created a vaccine to prevent polio.

Dr. Jonas Salk and Dr. Jonas Salk's team

Dr. Jonas Salk and Dr. Jonas Salk's team worked seven years to develop the vaccine for Polio, one of the most frightening public health problems in the world, primarily affecting children.

Virologist Jonas Salk and Virologist Jonas Salk's skilled research team at the University of Pittsburgh

Virologist Jonas Salk and Virologist Jonas Salk's skilled research team at the University of Pittsburgh developed the first vaccine against polio using inactivated virus.

that was created in 1955 by Dr. Jonas Salk

The first polio vaccine was an inactivated injectable vaccine that was created in 1955 by Dr. Jonas Salk.

Dr. Jonas Salk and Dr. Thomas Fracis

In June 1954 Dr. Jonas Salk and Dr. Thomas Fracis developed the polio vaccine.